Use assertEqual instead

Author: jchen9

contrib/opentimelineio_contrib/adapters/tests/test_aaf_adapter.py

@@ -1183,9 +1183,9 @@ def test_aaf_marker_over_audio_file(self):
             label = marker.metadata.get('AAF', {}).get('CommentMarkerUSer')
             start_time = marker.marked_range.start_time
 
-            self.assertTrue(color == expected_marker.get('color'))
-            self.assertTrue(label == expected_marker.get('label'))
-            self.assertTrue(start_time == expected_marker.get('start_time'))
+            self.assertEqual(color, expected_marker.get('color'))
+            self.assertEqual(label, expected_marker.get('label'))
+            self.assertEqual(start_time, expected_marker.get('start_time'))
 
     def _verify_user_comments(self, aaf_metadata, expected_md):