Re-enable skipped video player tests.

This reverts commit f5876487.

common/test/acceptance/tests/video/test_video_events.py

@@ -3,7 +3,6 @@
 import datetime
 import json
 import ddt
-from unittest import skip
 
 from ..helpers import EventsTestMixin
 from .test_video_module import VideoBaseTest
@@ -196,7 +195,6 @@ class VideoBumperEventsTest(VideoEventsTestMixin):
         ('edx.video.bumper.stopped', wait_for_state)
     )
     @ddt.unpack
-    @skip("Failing on master; To see remove is_youtube_available() form base class")
     def test_video_control_events(self, event_type, action):
         """
         Scenario: Video component with pre-roll emits events correctly
@@ -287,7 +285,6 @@ class VideoBumperEventsTest(VideoEventsTestMixin):
         }
         self.assert_events_match([expected_event], [video_event])
 
-    @skip("Failing on master; To see remove is_youtube_available() form base class")
     def test_strict_event_format(self):
         """
         This test makes a very strong assertion about the fields present in events. The goal of it is to ensure that new

common/test/acceptance/tests/video/test_video_module.py

@@ -404,7 +404,6 @@ class YouTubeVideoTest(VideoBaseTest):
 
         self.assertTrue(self.video.is_video_rendered('html5'))
 
-    @skip('Failing on master; To see remove is_youtube_available() form base class')
     def test_download_transcript_button_works_correctly(self):
         """
         Scenario: Download Transcript button works correctly
@@ -713,7 +712,6 @@ class YouTubeVideoTest(VideoBaseTest):
 
         self.assertEqual(self.video.caption_languages, {'zh_HANS': 'Simplified Chinese', 'zh_HANT': 'Traditional Chinese'})
 
-    @skip('Failing on master; To see remove is_youtube_available() form base class')
     def test_video_bumper_render(self):
         """
         Scenario: Multiple videos with bumper in sequentials all load and work, switching between sequentials