fix

common/lib/xmodule/xmodule/video_module/video_handlers.py

@@ -251,7 +251,7 @@ class VideoStudentViewHandlers(object):
                 # Try to return static URL redirection as last resort
                 # if no translation is required
                 response = self.get_static_transcript(request, transcripts)
-                if response.status_code == 404:
+                if response.status_code == 404 and feature_enabled:
                     # Try to get transcript from edx-val as a last resort.
                     transcript = get_video_transcript_content(
                         language_code=self.transcript_language,

common/test/db_fixtures/video_config.json

+[
+  {
+    "pk": 2,
+    "model": "video_config.videotranscriptenabledflag",
+    "fields": {
+      "enabled": 1,
+      "enabled_for_all_courses": 1,
+      "change_date": "2016-04-21 10:19:32.034856"
+    }
+  }
+]