[Telemetry] Disable tests which flake on linux.

tools/telemetry/telemetry/page/actions/play_unittest.py

Index: tools/telemetry/telemetry/page/actions/play_unittest.py
diff --git a/tools/telemetry/telemetry/page/actions/play_unittest.py b/tools/telemetry/telemetry/page/actions/play_unittest.py
index b0f43f15d3179b7ee7d40965359a388609fe4db8..7224647138ecacedbe14afe65647ad4635f0c007 100644
--- a/tools/telemetry/telemetry/page/actions/play_unittest.py
+++ b/tools/telemetry/telemetry/page/actions/play_unittest.py
@@ -18,7 +18,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     tab_test_case.TabTestCase.setUp(self)
     self.Navigate('video_test.html')
 
-  @decorators.Disabled('android')
+  @decorators.Disabled('android', 'linux')  # crbug.com/418577
   def testPlayWithNoSelector(self):
     """Tests that with no selector Play action plays first video element."""
     action = play.PlayAction(playing_event_timeout_in_seconds=5)
@@ -31,7 +31,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     self.assertTrue(self._tab.EvaluateJavaScript(VIDEO_1_PLAYING_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(AUDIO_1_PLAYING_CHECK))
 
-  @decorators.Disabled('android')
+  @decorators.Disabled('android', 'linux')  # crbug.com/418577
   def testPlayWithVideoSelector(self):
     """Tests that Play action plays video element matching selector."""
     action = play.PlayAction(selector='#video_1',
@@ -45,7 +45,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     self.assertTrue(self._tab.EvaluateJavaScript(VIDEO_1_PLAYING_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(AUDIO_1_PLAYING_CHECK))
 
-  @decorators.Disabled('android')
+  @decorators.Disabled('android', 'linux')  # crbug.com/418577
   def testPlayWithAllSelector(self):
     """Tests that Play action plays all video elements with selector='all'."""
     action = play.PlayAction(selector='all',
@@ -60,6 +60,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     self.assertTrue(self._tab.EvaluateJavaScript(AUDIO_1_PLAYING_CHECK))
 
   # http://crbug.com/273887
+  @decorators.Disabled('linux')  # crbug.com/418577
   def testPlayWaitForPlayTimeout(self):
     """Tests that wait_for_playing timeouts if video does not play."""
     action = play.PlayAction(selector='#video_1',
@@ -69,7 +70,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_PLAYING_CHECK))
     self.assertRaises(util.TimeoutException, action.RunAction, self._tab)
 
-  @decorators.Disabled('android')
+  @decorators.Disabled('android', 'linux')  # crbug.com/418577
   def testPlayWaitForEnded(self):
     """Tests that wait_for_ended waits for video to end."""
     action = play.PlayAction(selector='#video_1',
@@ -82,6 +83,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     # Assert video ended.
     self.assertTrue(self._tab.EvaluateJavaScript(VIDEO_1_ENDED_CHECK))
 
+  @decorators.Disabled('linux')  # crbug.com/418577
   def testPlayWithoutWaitForEnded(self):
     """Tests that wait_for_ended waits for video to end."""
     action = play.PlayAction(selector='#video_1',
@@ -94,6 +96,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     # Assert video did not end.
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_ENDED_CHECK))
 
+  @decorators.Disabled('linux')  # crbug.com/418577
   def testPlayWaitForEndedTimeout(self):
     """Tests that action raises exception if timeout is reached."""
     action = play.PlayAction(selector='#video_1',