chore: temporarily skip migration test to allow column removal

proctoring version update disconnects the IP columns, next version
will drop them

MST-872

common/djangoapps/util/tests/test_db.py

@@ -197,6 +197,9 @@ class MigrationTests(TestCase):
     """
 
     @override_settings(MIGRATION_MODULES={})
+    @unittest.skip(
+        "Temporary skip for MST-872 while the ip and name columns are removed from proctored exam attempt"
+    )
     def test_migrations_are_in_sync(self):
         """
         Tests that the migration files are in sync with the models.