Temporarily Disabled the Test (GoogleCloudPlatform#1252)

Author: michaelawyu

video/cloud-client/faces/faces_test.py

@@ -25,6 +25,8 @@
 FACES_FILE_PATH = '/video/googlework.mp4'
 
 
+@pytest.mark.xfail(reason='This feature is currently \
+    not visible to all projects.')
 @pytest.mark.slow
 def test_work_video_faces(capsys):
     faces.analyze_faces(