media/video-load-preload-metadata.html is flaky

[Alexey Proskuryakov]

Seeing this on WebKit1 and WebKit2 Mac bots:

--- /Volumes/Data/slave/mavericks-release-tests-wk1/build/layout-test-results/media/video-load-preload-metadata-expected.txt
+++ /Volumes/Data/slave/mavericks-release-tests-wk1/build/layout-test-results/media/video-load-preload-metadata-actual.txt
@@ -8,6 +8,6 @@
 RUN(video.play())
 EVENT(canplaythrough)
 TEST(playbackStarted) OK
-EXPECTED (video.buffered.length > '0') OK
+EXPECTED (video.buffered.length > '0'), OBSERVED '0' FAIL
 END OF TEST

[Alexey Proskuryakov]

Looks like this is Mavericks only at this point, doesn't occur on Mountain Lion.

Marked as flaky in <http://trac.webkit.org/r163541>.

[Alexey Proskuryakov]

Still happening fairly frequently. Occurs on Yosemite too.

[Ryan Haddad]

Still seeing this on both El Capitan and Yosemite.

http://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fvideo-load-preload-metadata.html

Marked as flaky in <http://trac.webkit.org/projects/webkit/changeset/203366>

[Ryan Haddad]

*** Bug 175790 has been marked as a duplicate of this bug. ***

[Ryan Haddad]

Marked as flaky on iOS in https://trac.webkit.org/r235320