diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/CoreLibraryAssemblyAttributesAreKept.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/CoreLibraryAssemblyAttributesAreKept.cs
index 3ed67c91b7dccd..bec0e8fb46c0f3 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/CoreLibraryAssemblyAttributesAreKept.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/CoreLibraryAssemblyAttributesAreKept.cs
@@ -10,7 +10,7 @@ namespace Mono.Linker.Tests.Cases.Attributes
     [SetupLinkerTrimMode("link")]
     // System.dll referenced by a dynamically (for example in TypeConverterAttribute on IComponent)
     // has unresolved references.
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [KeptAttributeInAssembly(PlatformAssemblies.CoreLib, typeof(AssemblyDescriptionAttribute))]
     [KeptAttributeInAssembly(PlatformAssemblies.CoreLib, typeof(AssemblyCompanyAttribute))]
 #if !NET
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/IVTUsed.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/IVTUsed.cs
index a1b140666ca65a..d12a6fea3c8ac0 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/IVTUsed.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/IVTUsed.cs
@@ -13,7 +13,7 @@ namespace Mono.Linker.Tests.Cases.Attributes
 
     // This is a bit fragile but it's used to test that ITV attribute is marked correctly
     [SetupLinkerTrimMode("link")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [KeptTypeInAssembly(PlatformAssemblies.CoreLib, typeof(InternalsVisibleToAttribute))]
     class IVTUsed
     {
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnGenericParameterIsRemoved.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnGenericParameterIsRemoved.cs
index c5f3850a7060cc..1d891f48a11520 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnGenericParameterIsRemoved.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnGenericParameterIsRemoved.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Attributes.OnlyKeepUsed
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupLinkerArgument("--used-attrs-only", "true")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/AssemblyWithUnusedAttributeOnGenericParameter.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnReturnTypeIsRemoved.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnReturnTypeIsRemoved.cs
index 159f45ad6a4b73..b34d10704a6c02 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnReturnTypeIsRemoved.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Attributes/OnlyKeepUsed/UnusedAttributeOnReturnTypeIsRemoved.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Attributes.OnlyKeepUsed
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupLinkerArgument("--used-attrs-only", "true")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/AssemblyWithUnusedAttributeOnReturnParameterDefinition.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/ComponentModel/CustomTypeConvertor.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/ComponentModel/CustomTypeConvertor.cs
index 42b2b9dae029c2..7c83a99ffcca91 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/ComponentModel/CustomTypeConvertor.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/ComponentModel/CustomTypeConvertor.cs
@@ -57,7 +57,7 @@ public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo c
     [Reference("System.dll")]
     // System.dll referenced by a dynamically (for example in TypeConverterAttribute on IComponent)
     // has unresolved references.
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     public class CustomTypeConvertor
     {
         public static void Main()
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/CppCLIAssemblyIsAnalyzed.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/CppCLIAssemblyIsAnalyzed.cs
index 3102e709e61a92..c260bf5c94f309 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/CppCLIAssemblyIsAnalyzed.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/CppCLIAssemblyIsAnalyzed.cs
@@ -9,7 +9,7 @@ namespace Mono.Linker.Tests.Cases.CppCLI
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
     [ReferenceDependency("Dependencies/TestLibrary.dll")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
 
     [SetupCompileBefore("ManagedSide.dll", new[] { "Dependencies/CallCppCLIFromManagedRef.cs" })]
     [SetupCompileAfter("ManagedSide.dll", new[] { "Dependencies/CallCppCLIFromManaged.cs" }, references: new[] { "TestLibrary.dll" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/NonCopyActionWarnOnCppCLI.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/NonCopyActionWarnOnCppCLI.cs
index 10beb4fce9880e..a300d3b558c149 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/NonCopyActionWarnOnCppCLI.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/CppCLI/NonCopyActionWarnOnCppCLI.cs
@@ -9,7 +9,7 @@ namespace Mono.Linker.Tests.Cases.CppCLI
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
     [ReferenceDependency("Dependencies/TestLibrary.dll")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
 
     [SetupLinkerDefaultAction("copy")]
     [SetupLinkerAction("copyused", "TestLibrary")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/UnresolvedMembers.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/UnresolvedMembers.cs
index 5a6e995a483bd4..415cdd876aee9c 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/UnresolvedMembers.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/DataFlow/UnresolvedMembers.cs
@@ -15,7 +15,7 @@ namespace Mono.Linker.Tests.Cases.DataFlow
     // it would fail to JIT/run anyway.
 
     [SkipILVerify]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupCompileBefore("UnresolvedLibrary.dll", new[] { "Dependencies/UnresolvedLibrary.cs" }, removeFromLinkerInput: true)]
     [ExpectedNoWarnings]
     class UnresolvedMembers
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/DynamicDependencies/DynamicDependencyMethodInAssembly.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/DynamicDependencies/DynamicDependencyMethodInAssembly.cs
index 45a54eebfb10dd..81ab0a28e2a41a 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/DynamicDependencies/DynamicDependencyMethodInAssembly.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/DynamicDependencies/DynamicDependencyMethodInAssembly.cs
@@ -7,7 +7,7 @@ namespace Mono.Linker.Tests.Cases.DynamicDependencies
     [KeptMemberInAssembly("library.dll", "Mono.Linker.Tests.Cases.DynamicDependencies.Dependencies.DynamicDependencyMethodInAssemblyLibrary", ".ctor()")]
     [KeptMemberInAssembly("library.dll", "Mono.Linker.Tests.Cases.DynamicDependencies.Dependencies.DynamicDependencyMethodInAssemblyLibrary", "privateField")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/DynamicDependencyMethodInAssemblyLibrary.cs" })]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     public class DynamicDependencyMethodInAssembly
     {
         public static void Main()
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/DimProvidedByRecursiveInterface.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/DimProvidedByRecursiveInterface.cs
index ba43a9abdd2686..a369880d506de8 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/DimProvidedByRecursiveInterface.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/DimProvidedByRecursiveInterface.cs
@@ -5,7 +5,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.DefaultInterfaceMethods
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/DimProvidedByRecursiveInterface.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/InterfaceWithAttributeOnImplementation.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/InterfaceWithAttributeOnImplementation.cs
index cb237acb8a4d55..8fb73b436b10bc 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/InterfaceWithAttributeOnImplementation.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/InterfaceWithAttributeOnImplementation.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.DefaultInterfaceMethods
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/InterfaceWithAttributeOnImpl.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/MultipleDimsProvidedByRecursiveInterface.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/MultipleDimsProvidedByRecursiveInterface.cs
index e6c2055b133160..d90ba8edbec36c 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/MultipleDimsProvidedByRecursiveInterface.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/MultipleDimsProvidedByRecursiveInterface.cs
@@ -5,7 +5,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.DefaultInterfaceMethods
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/MultipleDimsProvidedByRecursiveInterface.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/StaticDimProvidedByUnreferencedIfaceInHierarchy.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/StaticDimProvidedByUnreferencedIfaceInHierarchy.cs
index 7d894eb292d588..05ab22e5348ad6 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/StaticDimProvidedByUnreferencedIfaceInHierarchy.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/DefaultInterfaceMethods/StaticDimProvidedByUnreferencedIfaceInHierarchy.cs
@@ -5,7 +5,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.DefaultInterfaceMethods
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/StaticDimProvidedByUnreferencedIfaceInHierarchy.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/InterfaceImplementedThroughBaseInterface.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/InterfaceImplementedThroughBaseInterface.cs
index 634bd6185bb338..2a0e0859397738 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/InterfaceImplementedThroughBaseInterface.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/InterfaceImplementedThroughBaseInterface.cs
@@ -11,7 +11,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupLinkerArgument("-a", "test.exe", "library")]
     [SetupLinkerArgument("-a", "library.dll", "library")]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndAssemblyPreserveAll.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndAssemblyPreserveAll.cs
index 25034c1d7d18f2..0122c7dc36ade7 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndAssemblyPreserveAll.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndAssemblyPreserveAll.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
 
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
     [KeptInterfaceOnTypeInAssemblyAttribute("library",
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveAll.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveAll.cs
index 391be2cb9b9b8a..13b040ab087853 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveAll.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveAll.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
     [KeptInterfaceOnTypeInAssembly("library",
         "Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor.Dependencies.NoInstanceCtorAndAssemblyPreserveAll_Lib/A",
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFields.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFields.cs
index 8f49371541dd99..15a3ad738526f1 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFields.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFields.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
 
     // The interfaces should be removed because the interface types are not marked
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFieldsWithInterfacesMarked.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFieldsWithInterfacesMarked.cs
index 19a80a761e0bce..162ac4c8dd0c5f 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFieldsWithInterfacesMarked.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveFieldsWithInterfacesMarked.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_COMPILED")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
 
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethods.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethods.cs
index d22ce3403f728a..c84d3edd03946e 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethods.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethods.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
 
     // The interfaces should be removed because the interface types are not marked
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethodsWithInterfacesMarked.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethodsWithInterfacesMarked.cs
index 88ea83bb4587d4..b176afa019111d 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethodsWithInterfacesMarked.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveMethodsWithInterfacesMarked.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_COMPILED")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
 
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveNone.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveNone.cs
index 6cc8a09275dedf..29f32f3e72706a 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveNone.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/OnReferenceType/NoInstanceCtor/NoInstanceCtorAndTypePreserveNone.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/NoInstanceCtorAndAssemblyPreserveAll_Lib.il" })]
     [RemovedInterfaceOnTypeInAssembly("library",
         "Mono.Linker.Tests.Cases.Inheritance.Interfaces.OnReferenceType.NoInstanceCtor.Dependencies.NoInstanceCtorAndAssemblyPreserveAll_Lib/A",
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/GenericInterfaceImplementedRecursively.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/GenericInterfaceImplementedRecursively.cs
index 17f21597136428..02fae46b57f980 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/GenericInterfaceImplementedRecursively.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/GenericInterfaceImplementedRecursively.cs
@@ -11,7 +11,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.RecursiveInterfaces
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/GenericInterfaceImplementedRecursively.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/InterfaceImplementedRecursively.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/InterfaceImplementedRecursively.cs
index 3be089bf915dc9..5cf960a423a707 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/InterfaceImplementedRecursively.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/InterfaceImplementedRecursively.cs
@@ -11,7 +11,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.RecursiveInterfaces
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [TestCaseRequirements(TestRunCharacteristics.SupportsDefaultInterfaceMethods, "Requires support for default interface methods")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/InterfaceImplementedRecursively.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/OverrideOfRecursiveInterfaceIsRemoved.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/OverrideOfRecursiveInterfaceIsRemoved.cs
index 55d16c74d0448b..4ffe30a2068bb6 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/OverrideOfRecursiveInterfaceIsRemoved.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/RecursiveInterfaces/OverrideOfRecursiveInterfaceIsRemoved.cs
@@ -11,7 +11,7 @@
 
 namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.RecursiveInterfaces
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new string[] { "Dependencies/OverrideOfRecursiveInterfaceIsRemoved.il" })]
     [Kept]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/StaticInterfaceMethods/InstanceMethodsWithOverridesSwept.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/StaticInterfaceMethods/InstanceMethodsWithOverridesSwept.cs
index 79563e1391dfad..400c7c0bd58be1 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/StaticInterfaceMethods/InstanceMethodsWithOverridesSwept.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Inheritance.Interfaces/StaticInterfaceMethods/InstanceMethodsWithOverridesSwept.cs
@@ -17,7 +17,7 @@ namespace Mono.Linker.Tests.Cases.Inheritance.Interfaces.StaticInterfaceMethods
     /// Currently, the linker will always mark the .override method for instance methods, so there is not much testing required here.
     /// However, if that were to change, this test should be updated to verify that the .override is removed if the .interfaceImpl is kept.
     /// </summary>
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new string[] { "Dependencies/InstanceMethods.il" })]
     [Kept]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Libraries/LibraryWithUnresolvedInterfaces.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Libraries/LibraryWithUnresolvedInterfaces.cs
index 834ad6876aae47..baadc626c5ffec 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Libraries/LibraryWithUnresolvedInterfaces.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Libraries/LibraryWithUnresolvedInterfaces.cs
@@ -10,7 +10,7 @@ namespace Mono.Linker.Tests.Cases.Libraries
     [IgnoreTestCase("NativeAOT doesn't implement library trimming the same way", IgnoredBy = Tool.NativeAot)]
     [KeptAttributeAttribute(typeof(IgnoreTestCaseAttribute), By = Tool.Trimmer)]
     [SetupCompileBefore("copylibrary.dll", new[] { "Dependencies/CopyLibrary.cs" }, removeFromLinkerInput: true)]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupLinkerArgument("-a", "test.exe", "library")]
     [SetupLinkerArgument("--enable-opt", "ipconstprop")]
     [VerifyMetadataNames]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkAttributes/LinkAttributeErrorCases.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkAttributes/LinkAttributeErrorCases.cs
index ef4d9cebfc8d63..d5ec6c04f4b87d 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkAttributes/LinkAttributeErrorCases.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkAttributes/LinkAttributeErrorCases.cs
@@ -7,7 +7,7 @@ namespace Mono.Linker.Tests.Cases.LinkAttributes
 {
     [SetupLinkAttributesFile("LinkAttributeErrorCases.xml")]
     [IgnoreLinkAttributes(false)]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupCompileBefore("library.dll", new string[] { "Dependencies/EmbeddedAttributeErrorCases.cs" },
         resources: new object[] { new string[] { "Dependencies/EmbeddedAttributeErrorCases.xml", "ILLink.LinkAttributes.xml" } })]
 
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkXml/LinkXmlErrorCases.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkXml/LinkXmlErrorCases.cs
index 68fa608cc831de..76cd08a3d50401 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkXml/LinkXmlErrorCases.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/LinkXml/LinkXmlErrorCases.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.LinkXml
 {
     [SetupLinkerDescriptorFile("LinkXmlErrorCases.xml")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupLinkerArgument("--verbose")]
 
     [ExpectedWarning("IL2001", "TypeWithNoFields", FileName = "LinkXmlErrorCases.xml", SourceLine = 3, SourceColumn = 6)]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/PreserveDependencies/PreserveDependencyErrorCases.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/PreserveDependencies/PreserveDependencyErrorCases.cs
index ebbedc9a8dbbe8..35fcb36e6b87c2 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/PreserveDependencies/PreserveDependencyErrorCases.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/PreserveDependencies/PreserveDependencyErrorCases.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.PreserveDependencies
 {
     [SetupCompileBefore("FakeSystemAssembly.dll", new[] { "Dependencies/PreserveDependencyAttribute.cs" })]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     class PreserveDependencyErrorCases
     {
         public static void Main()
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/References/Individual/CanSkipUnresolved.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/References/Individual/CanSkipUnresolved.cs
index 813e66cc61064e..d282cc723731c1 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/References/Individual/CanSkipUnresolved.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/References/Individual/CanSkipUnresolved.cs
@@ -5,7 +5,7 @@ namespace Mono.Linker.Tests.Cases.References.Individual
 {
     [SetupCompileBefore("library1.dll", new[] { "Dependencies/CanSkipUnresolved_Library.cs" })]
     [SetupCompileAfter("library1.dll", new[] { "Dependencies/CanSkipUnresolved_Library.cs" }, defines: new[] { "EXCLUDE_STUFF" })]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     public class CanSkipUnresolved
     {
         static void Main()
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUnusedCodePath.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUnusedCodePath.cs
index 9bb9b87e3b8f5e..8728295568e176 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUnusedCodePath.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUnusedCodePath.cs
@@ -11,7 +11,7 @@ namespace Mono.Linker.Tests.Cases.References;
 [NoLinkedOutput]
 [SetupCompileBefore("missing.dll", new[] { "Dependencies/MissingAssembly.cs" })]
 [DeleteBefore("missing.dll")]
-[SetupLinkerArgument("--skip-unresolved", "false")]
+[SkipUnresolved(false)]
 public class MissingReferenceInUnusedCodePath
 {
     public static void Main()
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUsedCodePath.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUsedCodePath.cs
index 0f374b7aebaa8a..215b718ae4544e 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUsedCodePath.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/References/MissingReferenceInUsedCodePath.cs
@@ -11,7 +11,7 @@ namespace Mono.Linker.Tests.Cases.References;
 [NoLinkedOutput]
 [SetupCompileBefore("missing.dll", new[] { "Dependencies/MissingAssembly.cs" })]
 [DeleteBefore("missing.dll")]
-[SetupLinkerArgument("--skip-unresolved", "false")]
+[SkipUnresolved(false)]
 public class MissingReferenceInUsedCodePath
 {
     public static void Main()
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdb.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdb.cs
index 4de554b7d3c64c..d9ec69ed14979c 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdb.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdb.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithMdb/LibraryWithMdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithMdb/LibraryWithMdb.dll.mdb")]
     [SetupLinkerLinkSymbols("false")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbCopyAction.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbCopyAction.cs
index d33a7c02101f85..339f261c7b99ba 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbCopyAction.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbCopyAction.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithMdb/LibraryWithMdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithMdb/LibraryWithMdb.dll.mdb")]
     [SetupLinkerLinkSymbols("false")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteAction.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteAction.cs
index 876114af08f005..8219ff8c6fc9db 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteAction.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteAction.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithMdb/LibraryWithMdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithMdb/LibraryWithMdb.dll.mdb")]
     [SetupLinkerLinkSymbols("false")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteActionAndSymbolLinkingEnabled.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteActionAndSymbolLinkingEnabled.cs
index 7b3e1910eacd73..970950502d90a8 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteActionAndSymbolLinkingEnabled.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithMdbDeleteActionAndSymbolLinkingEnabled.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithMdb/LibraryWithMdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithMdb/LibraryWithMdb.dll.mdb")]
     [SetupLinkerLinkSymbols("true")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdb.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdb.cs
index 351053b2da3248..6d59abdae4e46d 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdb.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdb.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("false")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabled.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabled.cs
index cfbcb5a42862ef..ef10e42cbed3a5 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabled.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabled.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("true")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndDeterministicMvid.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndDeterministicMvid.cs
index a8f728356e097c..08dfcd4a087204 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndDeterministicMvid.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndDeterministicMvid.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("true")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndNewMvid.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndNewMvid.cs
index 080629f410b6a7..336c1e27e58e68 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndNewMvid.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbAndSymbolLinkingEnabledAndNewMvid.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("true")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbCopyAction.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbCopyAction.cs
index 2e95a751904ea1..38027a2aee19a8 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbCopyAction.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbCopyAction.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("false")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteAction.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteAction.cs
index a4b4d40fe9e234..5a033f660528ef 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteAction.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteAction.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("false")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteActionAndSymbolLinkingEnabled.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteActionAndSymbolLinkingEnabled.cs
index 00fcc0443fcefa..57fb809a051224 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteActionAndSymbolLinkingEnabled.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferenceWithPdbDeleteActionAndSymbolLinkingEnabled.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
     [SetupLinkerLinkSymbols("true")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypes.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypes.cs
index 0f01dfbea9dab8..dd33a0ec0dab6a 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypes.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypes.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithMdb/LibraryWithMdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithMdb/LibraryWithMdb.dll.mdb")]
 
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesAndSymbolLinkingEnabled.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesAndSymbolLinkingEnabled.cs
index 8efc716a413b8f..401ca7dfd22711 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesAndSymbolLinkingEnabled.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesAndSymbolLinkingEnabled.cs
@@ -5,7 +5,7 @@
 namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithPdb/LibraryWithPdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithPdb/LibraryWithPdb.pdb")]
 
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesWithMdbAndSymbolLinkingEnabled.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesWithMdbAndSymbolLinkingEnabled.cs
index a01aa0e80981a0..f3b05283c83297 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesWithMdbAndSymbolLinkingEnabled.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/Symbols/ReferencesWithMixedSymbolTypesWithMdbAndSymbolLinkingEnabled.cs
@@ -9,7 +9,7 @@ namespace Mono.Linker.Tests.Cases.Symbols
 {
     [IgnoreTestCase("Test relies on checked-in binaries: https://github.com/dotnet/runtime/issues/78344")]
     [TestCaseRequirements(TestRunCharacteristics.TargetingNetFramework, "mdb files are not supported with .NET Core")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Reference("Dependencies/LibraryWithMdb/LibraryWithMdb.dll")]
     [ReferenceDependency("Dependencies/LibraryWithMdb/LibraryWithMdb.dll.mdb")]
 
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/CanCompileILAssembly.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/CanCompileILAssembly.cs
index 692dfdd5a98fd8..97af216f1f8569 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/CanCompileILAssembly.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/CanCompileILAssembly.cs
@@ -4,7 +4,7 @@
 
 namespace Mono.Linker.Tests.Cases.TestFramework
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("ILAssembly.dll", new[] { "Dependencies/ILAssemblySample.il" })]
     [KeptMemberInAssembly("ILAssembly.dll", "Mono.Linker.Tests.Cases.TestFramework.Dependencies.ILAssemblySample", "GiveMeAValue()")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationErrorsCanBeIgnored.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationErrorsCanBeIgnored.cs
index 7a882a8817f4e4..9b97ab35266370 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationErrorsCanBeIgnored.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationErrorsCanBeIgnored.cs
@@ -8,7 +8,7 @@ namespace Mono.Linker.Tests.Cases.TestFramework;
 
 [DisableILVerifyDiffing] // Needed to produce an il failure
 [IgnoreILFailure("Mono.Linker.Tests.Cases.TestFramework.Dependencies.AssemblyWithInvalidIL.GiveMeAValue() - ReturnMissing: Return value missing on the stack. -  Offset IL_0000")]
-[SetupLinkerArgument("--skip-unresolved", "true")] // needed due to the mscorlib shim
+[SkipUnresolved(true)] // needed due to the mscorlib shim
 [Define("IL_ASSEMBLY_AVAILABLE")]
 [SetupCompileBefore("ILAssembly.dll", new[] { "Dependencies/AssemblyWithInvalidIL.il" })]
 [KeptMemberInAssembly("ILAssembly.dll", "Mono.Linker.Tests.Cases.TestFramework.Dependencies.AssemblyWithInvalidIL", "GiveMeAValue()")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationWorks.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationWorks.cs
index ce7b12e782521d..b20c25b50d466c 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationWorks.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/TestFramework/ILVerificationWorks.cs
@@ -10,7 +10,7 @@ namespace Mono.Linker.Tests.Cases.TestFramework;
 [ExpectILFailure("Mono.Linker.Tests.Cases.TestFramework.Dependencies.AssemblyWithInvalidIL.GiveMeAValue()",
     "ReturnMissing: Return value missing on the stack",
     "Offset IL_0000")]
-[SetupLinkerArgument("--skip-unresolved", "true")] // needed due to the mscorlib shim
+[SkipUnresolved(true)] // needed due to the mscorlib shim
 [Define("IL_ASSEMBLY_AVAILABLE")]
 [SetupCompileBefore("ILAssembly.dll", new[] { "Dependencies/AssemblyWithInvalidIL.il" })]
 [KeptMemberInAssembly("ILAssembly.dll", "Mono.Linker.Tests.Cases.TestFramework.Dependencies.AssemblyWithInvalidIL", "GiveMeAValue()")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/SecurityAttributeScope.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/SecurityAttributeScope.cs
index 7ffe36146161b0..0fc0f60b57416d 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/SecurityAttributeScope.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/SecurityAttributeScope.cs
@@ -12,7 +12,7 @@ namespace Mono.Linker.Tests.Cases.TypeForwarding
     ///
     /// In order words, until https://github.com/dotnet/linker/issues/1703 is addressed this test will pass with or without the fix to update the scope on security attributes
     /// </summary>
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [SetupLinkerArgument("--strip-security", "false")]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupLinkerAction("copy", "Library")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersModifiers.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersModifiers.cs
index 9a2c3efea03478..76714b23228676 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersModifiers.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersModifiers.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.TypeForwarding
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     // Actions:
     // link - This assembly, TypeForwarderModifiersLibDef.dll and TypeForwardersModifiersLib.dll
     [SetupLinkerDefaultAction("link")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersRewrite.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersRewrite.cs
index 1dffb287e43a5e..0b32f639cfe6bb 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersRewrite.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/TypeForwarding/TypeForwardersRewrite.cs
@@ -7,7 +7,7 @@ namespace Mono.Linker.Tests.Cases.TypeForwarding
     // Actions:
     // link - This assembly, Forwarder.dll and Implementation.dll
 
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
 
     [SetupCompileArgument("/unsafe")]
     [SetupCompileBefore("Forwarder.dll", new[] { "Dependencies/TypeForwardersRewriteLib.cs" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/EndScopeOnMethoEnd.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/EndScopeOnMethoEnd.cs
index 37c21de319b250..44bef05d38df9d 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/EndScopeOnMethoEnd.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/EndScopeOnMethoEnd.cs
@@ -5,7 +5,7 @@
 
 namespace Mono.Linker.Tests.Cases.UnreachableBlock
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/EndScopeOnMethod.il" })]
     public class EndScopeOnMethoEnd
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/UninitializedLocals.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/UninitializedLocals.cs
index 1d3363d46da65f..5ff203ca855a17 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/UninitializedLocals.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBlock/UninitializedLocals.cs
@@ -5,7 +5,7 @@ namespace Mono.Linker.Tests.Cases.UnreachableBlock
 {
     [SetupCSharpCompilerToUse("csc")]
     [SetupCompileArgument("/optimize+")]
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("IL_ASSEMBLY_AVAILABLE")]
     [SetupCompileBefore("library.dll", new[] { "Dependencies/LocalsWithoutStore.il" })]
     [SetupLinkerArgument("--enable-opt", "ipconstprop")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/DoesNotApplyToCopiedAssembly2.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/DoesNotApplyToCopiedAssembly2.cs
index 7144647a374e62..8d726ee9f80088 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/DoesNotApplyToCopiedAssembly2.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/DoesNotApplyToCopiedAssembly2.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.UnreachableBody
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("OTHER_INCLUDED")]
     [SetupLinkerAction("copy", "other")]
     [SetupCompileBefore("other.dll", new[] { "Dependencies/OtherAssemblyNoInstanceCtor.il" })]
diff --git a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/LinkedOtherIncludedLibraryNoInstanceCtor.cs b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/LinkedOtherIncludedLibraryNoInstanceCtor.cs
index 0a9af1a1a63e3c..bbfdfe0fc3dea5 100644
--- a/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/LinkedOtherIncludedLibraryNoInstanceCtor.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests.Cases/UnreachableBody/LinkedOtherIncludedLibraryNoInstanceCtor.cs
@@ -3,7 +3,7 @@
 
 namespace Mono.Linker.Tests.Cases.UnreachableBody
 {
-    [SetupLinkerArgument("--skip-unresolved", "true")]
+    [SkipUnresolved(true)]
     [Define("OTHER_INCLUDED")]
 #if NET
     [SetupLinkerArgument("-a", "other.dll", "visible")]
diff --git a/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TestCaseMetadataProvider.cs b/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TestCaseMetadataProvider.cs
index e8e4360312cb16..412c9fcc636ebd 100644
--- a/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TestCaseMetadataProvider.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TestCaseMetadataProvider.cs
@@ -31,7 +31,7 @@ public virtual TestCaseLinkerOptions GetLinkerOptions(NPath inputPath)
                 LinkSymbols = GetOptionAttributeValue(nameof(SetupLinkerLinkSymbolsAttribute), string.Empty),
                 TrimMode = GetOptionAttributeValue<string>(nameof(SetupLinkerTrimModeAttribute), null),
                 DefaultAssembliesAction = GetOptionAttributeValue<string>(nameof(SetupLinkerDefaultActionAttribute), null),
-                SkipUnresolved = GetOptionAttributeValue(nameof(SkipUnresolvedAttribute), false),
+                SkipUnresolved = GetOptionAttributeValue(nameof(SkipUnresolvedAttribute), true),
                 StripDescriptors = GetOptionAttributeValue(nameof(StripDescriptorsAttribute), true),
                 StripSubstitutions = GetOptionAttributeValue(nameof(StripSubstitutionsAttribute), true),
                 StripLinkAttributes = GetOptionAttributeValue(nameof(StripLinkAttributesAttribute), true),
diff --git a/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TrimmingArgumentBuilder.cs b/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TrimmingArgumentBuilder.cs
index fa425b330d3d08..b629358445f694 100644
--- a/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TrimmingArgumentBuilder.cs
+++ b/src/tools/illink/test/Mono.Linker.Tests/TestCasesRunner/TrimmingArgumentBuilder.cs
@@ -121,11 +121,8 @@ public virtual void AddAssemblyAction(string action, string assembly)
 
         public virtual void AddSkipUnresolved(bool skipUnresolved)
         {
-            if (skipUnresolved)
-            {
-                Append("--skip-unresolved");
-                Append("true");
-            }
+            Append("--skip-unresolved");
+            Append(skipUnresolved.ToString());
         }
 
         public virtual void AddStripDescriptors(bool stripDescriptors)