Move system_check/test to indexes_

Author: WaVEV

tests/system_checks/tests.py renamed to tests/indexes_/test_checks.py

@@ -12,7 +12,7 @@
 
 
 @skipIfDBFeature("supports_atlas_search")
-@isolate_apps("system_checks", attr_name="apps")
+@isolate_apps("indexes_", attr_name="apps")
 @override_system_checks([check_vector_search_indexes])
 class InvalidSearchIndexesTests(TestCase):
     def test_requires_atlas_search_support(self):
@@ -41,7 +41,7 @@ class Meta:
         )
 
 
-@isolate_apps("system_checks", attr_name="apps")
+@isolate_apps("indexes_", attr_name="apps")
 @override_system_checks([check_vector_search_indexes])
 class InvalidVectorSearchIndexesTests(TestCase):
     @skipIfDBFeature("supports_atlas_search")