[idlharness.window.html] [MediaSession interface: operation setMicrophoneActive(boolean)] expected: FAIL [MediaSession interface: operation setCameraActive(boolean)] expected: FAIL [MediaSession interface: navigator.mediaSession must inherit property "setMicrophoneActive(boolean)" with the proper type] expected: FAIL [MediaSession interface: calling setMicrophoneActive(boolean) on navigator.mediaSession with too few arguments must throw TypeError] expected: FAIL [MediaSession interface: navigator.mediaSession must inherit property "setCameraActive(boolean)" with the proper type] expected: FAIL [MediaSession interface: calling setCameraActive(boolean) on navigator.mediaSession with too few arguments must throw TypeError] expected: FAIL [MediaMetadata interface: attribute chapterInfo] expected: FAIL [MediaMetadata interface: new MediaMetadata() must inherit property "chapterInfo" with the proper type] expected: FAIL [ChapterInformation interface: existence and properties of interface object] expected: FAIL [ChapterInformation interface object length] expected: FAIL [ChapterInformation interface object name] expected: FAIL [ChapterInformation interface: existence and properties of interface prototype object] expected: FAIL [ChapterInformation interface: existence and properties of interface prototype object's "constructor" property] expected: FAIL [ChapterInformation interface: existence and properties of interface prototype object's @@unscopables property] expected: FAIL [ChapterInformation interface: attribute title] expected: FAIL [ChapterInformation interface: attribute startTime] expected: FAIL [ChapterInformation interface: attribute artwork] expected: FAIL