fix: fixing failed test cases

lms/djangoapps/courseware/tests/test_model_data.py

@@ -276,7 +276,7 @@ def test_set_field_in_missing_student_module(self):
         # on the StudentModule).
         # Django 1.8 also has a number of other BEGIN and SAVESTATE queries.
         with self.assertNumQueries(4, using='default'):
-            with self.assertNumQueries(1, using='student_module_history'):
+            with self.assertNumQueries(2, using='student_module_history'):
                 self.kvs.set(user_state_key('a_field'), 'a_value')
 
         assert 1 == sum(len(cache) for cache in self.field_data_cache.cache.values())