test: check transcripts when uploaded via api

cms/djangoapps/contentstore/views/tests/test_transcripts.py

@@ -256,6 +256,7 @@ class TestUploadTranscripts(BaseTranscripts):
         expected_edx_video_id = edx_video_id if edx_video_id else json_response['edx_video_id']
         video = modulestore().get_item(self.video_usage_key)
         self.assertEqual(video.edx_video_id, expected_edx_video_id)
+        self.assertDictEqual(video.transcripts, {'en': f'{expected_edx_video_id}-en.srt'})
 
         # Verify transcript content
         actual_transcript = get_video_transcript_content(video.edx_video_id, language_code='en')
@@ -319,6 +320,8 @@ class TestUploadTranscripts(BaseTranscripts):
             expected_status_code=400,
             expected_message='There is a problem with this transcript file. Try to upload a different file.'
         )
+        video = modulestore().get_item(self.video_usage_key)
+        self.assertDictEqual(video.transcripts, {})
 
     def test_transcript_upload_unknown_category(self):
         """