refactor(devops): Model Functional Test Suite re-written to Pytest for model FeatureFlag

ref: #946 #944

app/devops/tests/functional/feature_flag/test_functional_feature_flag_model.py

@@ -0,0 +1,28 @@
+import pytest
+
+from core.tests.functional.centurion_abstract.test_functional_centurion_abstract_model import (
+    CenturionAbstractModelInheritedCases
+)
+
+
+
+@pytest.mark.model_featureflag
+class FeatureFlagModelTestCases(
+    CenturionAbstractModelInheritedCases
+):
+    pass
+
+
+
+class FeatureFlagModelInheritedCases(
+    FeatureFlagModelTestCases,
+):
+    pass
+
+
+
+@pytest.mark.module_assistance
+class FeatureFlagModelPyTest(
+    FeatureFlagModelTestCases,
+):
+    pass