[idlharness.html]
  type: testharness
  [HTMLMediaElement interface: attribute onwaitingforkey]
    expected: FAIL

  [MediaKeySession interface: existence and properties of interface object]
    expected: FAIL

  [MediaKeySession interface: existence and properties of interface prototype object]
    expected: FAIL

  [MediaKeySession interface: attribute onkeystatuseschange]
    expected: FAIL

  [MediaKeySession interface: attribute onmessage]
    expected: FAIL

  [MediaKeyMessageEvent interface: existence and properties of interface object]
    expected: FAIL

  [MediaKeyMessageEvent interface: existence and properties of interface prototype object]
    expected: FAIL

  [MediaEncryptedEvent interface: existence and properties of interface object]
    expected: FAIL

  [MediaEncryptedEvent interface: existence and properties of interface prototype object]
    expected: FAIL

