[relevant-mutations.html]
  type: testharness
  disabled:
    if os == "win": https://bugzilla.mozilla.org/show_bug.cgi?id=1193349
    if (os == "linux") and debug and e10s: https://bugzilla.mozilla.org/show_bug.cgi?id=1205645
  [crossorigin state not changed: empty to anonymous]
    expected: FAIL

  [crossorigin state not changed: anonymous to foobar]
    expected: FAIL

  [crossorigin state not changed: use-credentials to USE-CREDENTIALS]
    expected: FAIL

  [picture is inserted]
    expected: FAIL

