Merge pull request #21970 from edx/feanil/fix_xmodule_video_tests

Fix video module tests related to transcript conversion.

lms/djangoapps/courseware/tests/test_video_handlers.py

@@ -1282,12 +1282,12 @@ class TestGetTranscript(TestVideo):
 
         transcripts = self.item.get_transcripts_info()
         text, filename, mime_type = self.item.get_transcript(transcripts)
-        expected_text = textwrap.dedent("""
+        expected_text = textwrap.dedent(u"""
         0
         00:00:00,12 --> 00:00:00,100
         Привіт, edX вітає вас.
         """)
-        self.assertEqual(text.decode('utf-8') if six.PY3 else text, expected_text)
+        self.assertEqual(text, expected_text)
         self.assertEqual(filename, u"塞.srt")
         self.assertEqual(mime_type, 'application/x-subrip; charset=utf-8')