08:29:02 INFO - TEST-START | /media-source/mediasource-append-buffer.html 08:29:12 INFO - PROCESS | 1052 | MARIONETTE LOG: INFO: Timeout fired 08:29:12 INFO - TEST-PASS | /media-source/mediasource-append-buffer.html | Test SourceBuffer.appendBuffer() event dispatching. 08:29:12 INFO - TEST-PASS | /media-source/mediasource-append-buffer.html | Test SourceBuffer.appendBuffer() call during a pending appendBuffer(). 08:29:12 INFO - TEST-PASS | /media-source/mediasource-append-buffer.html | Test SourceBuffer.abort() call during a pending appendBuffer(). 08:29:12 INFO - TEST-UNEXPECTED-FAIL | /media-source/mediasource-append-buffer.html | Test SourceBuffer.appendBuffer() triggering an 'ended' to 'open' transition. - assert_false: updating attribute is false expected false got true 08:29:12 INFO - TEST-FAIL | /media-source/mediasource-append-buffer.html | Test MediaSource.removeSourceBuffer() call during a pending appendBuffer(). - assert_equals: activeSourceBuffers.length expected 0 but got 1 08:29:12 INFO - TEST-PASS | /media-source/mediasource-append-buffer.html | Test set MediaSource.duration during a pending appendBuffer() for one of its SourceBuffers. 08:29:12 INFO - TEST-PASS | /media-source/mediasource-append-buffer.html | Test MediaSource.endOfStream() during a pending appendBuffer() for one of its SourceBuffers. 08:29:12 INFO - TEST-PASS | /media-source/mediasource-append-buffer.html | Test set SourceBuffer.timestampOffset during a pending appendBuffer(). 08:29:12 INFO - TEST-FAIL | /media-source/mediasource-append-buffer.html | Test appending an empty ArrayBufferView. - (stack: @http://web-platform.test:8000/media-source/mediasource-append-buffer.html:219:0 08:29:12 INFO - window.mediasource_test/</<@http://web-platform.test:8000/media-source/mediasource-util.js:390:16 08:29:12 INFO - onSourceOpen@http://web-platform.test:8000/media-source/mediasource-util.js:169:12 08:29:12 INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:798:19 08:29:12 INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:827:0 08:29:12 INFO - ) 08:29:12 INFO - TEST-FAIL | /media-source/mediasource-append-buffer.html | Test appending an empty ArrayBuffer. - (stack: @http://web-platform.test:8000/media-source/mediasource-append-buffer.html:238:0 08:29:12 INFO - window.mediasource_test/</<@http://web-platform.test:8000/media-source/mediasource-util.js:390:16 08:29:12 INFO - onSourceOpen@http://web-platform.test:8000/media-source/mediasource-util.js:169:12 08:29:12 INFO - Test.prototype.step@http://web-platform.test:8000/resources/testharness.js:798:19 08:29:12 INFO - Test.prototype.step_func/<@http://web-platform.test:8000/resources/testharness.js:827:0 08:29:12 INFO - ) 08:29:12 INFO - TEST-TIMEOUT | /media-source/mediasource-append-buffer.html | took 10090ms

Inactive; closing (see bug 1180138).