Initiak warnings are processes similarly to summaryMessage

Author: EgorkaKulikov

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgTestClassConstructor.kt

@@ -191,7 +191,7 @@ data class TestsGenerationReport(
 
     // Summary message is generated lazily to avoid evaluation of classUnderTest
     var summaryMessage: () -> String = { "Unit tests for $classUnderTest were generated successfully." }
-    val initialWarnings: MutableList<String> = mutableListOf()
+    val initialWarnings: MutableList<() -> String> = mutableListOf()
 
     fun addMethodErrors(testCase: UtTestCase, errors: Map<String, Int>) {
         this.errors[testCase.method] = errors
@@ -219,7 +219,7 @@ data class TestsGenerationReport(
     override fun toString(): String = buildString {
         appendHtmlLine(summaryMessage())
         appendHtmlLine()
-        initialWarnings.forEach { appendHtmlLine(it) }
+        initialWarnings.forEach { appendHtmlLine(it()) }
         appendHtmlLine()
 
         val testMethodsStatistic = executables.map { it.countTestMethods() }

utbot-intellij/src/main/kotlin/org/utbot/intellij/plugin/generator/TestGenerator.kt

@@ -350,23 +350,23 @@ object TestGenerator {
             summaryMessage = { "Unit tests for $classUnderTest were generated with warnings.<br>" }
 
             if (model.forceMockHappened) {
-                initialWarnings.add(
+                initialWarnings.add {
                     """
                     <b>Warning</b>: Some test cases were ignored, because no mocking framework is installed in the project.<br>
                     Better results could be achieved by <a href="${TestReportUrlOpeningListener.prefix}${TestReportUrlOpeningListener.mockitoSuffix}">installing mocking framework</a>.
                 """.trimIndent()
-                )
+                }
             }
             if (model.hasTestFrameworkConflict) {
-                initialWarnings.add(
+                initialWarnings.add {
                     """
                     <b>Warning</b>: There are several test frameworks in the project. 
                     To select run configuration, please refer to the documentation depending on the project build system:
                      <a href=" https://docs.gradle.org/current/userguide/java_testing.html#sec:configuring_java_integration_tests">Gradle</a>, 
                      <a href=" https://maven.apache.org/surefire/maven-surefire-plugin/examples/providers.html">Maven</a> 
                      or <a href=" https://www.jetbrains.com/help/idea/run-debug-configuration.html#compound-configs">Idea</a>.
                 """.trimIndent()
-                )
+                }
             }
         }
     }