chromium/third_party/blink/web_tests/external/wpt/media-source/SourceBuffer-abort-expected.txt

This is a testharness.js-based test.
[FAIL] SourceBuffer#abort() (video/mp4): Check the values of appendWindowStart and appendWindowEnd.
  assert_true: Browser doesn't support the MIME used in this test: video/mp4 expected true got false
Harness: the test ran to completion.