chore: add TODO for tests

Co-authored-by: Kyle McCormick <[email protected]>

Author: NiedielnitsevIvan

tests/openedx_learning/apps/authoring/subsections/test_api.py

@@ -16,7 +16,11 @@
 Entry = authoring_api.SubsectionListEntry
 
 
-@ddt.ddt
+# TODO: Turn UnitTestCase into UnitTestMixin and remove the
+# test-inherits-tests pylint warning below.
+# https://github.com/openedx/openedx-learning/issues/308
+
+
 class SubSectionTestCase(UnitTestCase):  # pylint: disable=test-inherits-tests
     """ Test cases for Subsections (containers of units) """