Switch to DojoTestCase for better test compatibility

Use DojoTestCase instead of plain TestCase to align with DefectDojo
testing conventions and ensure proper test setup/teardown.

Author: AbhimanyuGit2507

dojo/filters.py

@@ -2020,14 +2020,15 @@ def get_finding_group_queryset_for_context(pid=None, eid=None, tid=None):
     """
     Helper function to build finding group queryset based on context hierarchy.
     Context priority: test > engagement > product > global
-    
+
     Args:
         pid: Product ID (least specific)
         eid: Engagement ID
         tid: Test ID (most specific)
-    
+
     Returns:
         QuerySet of Finding_Group filtered by context
+
     """
     if tid is not None:
         # Most specific: filter by test
@@ -2234,7 +2235,7 @@ def set_related_object_fields(self, *args: list, **kwargs: dict):
             eid=self.eid,
             tid=self.tid,
         )
-        
+
         # Filter by most specific context: test > engagement > product
         if self.tid is not None:
             # Test context: filter finding groups by test

unittests/test_finding_group_filter_context.py

@@ -1,4 +1,3 @@
-from django.test import TestCase
 from django.utils.timezone import now
 
 from dojo.filters import FindingFilter, FindingFilterWithoutObjectLookups
@@ -13,16 +12,19 @@
     Test_Type,
 )
 
+from .dojo_test_case import DojoTestCase
+
+
+class TestFindingGroupFilterContext(DojoTestCase):
 
-class TestFindingGroupFilterContext(TestCase):
     """Test that Finding Group filter respects Test/Engagement/Product context."""
 
     @classmethod
     def setUpTestData(cls):
         """Create test data hierarchy."""
         # Create test type
         cls.test_type = Test_Type.objects.create(name="Test Type")
-        
+
         # Create user
         cls.user = Dojo_User.objects.create(
             username="testuser",