[jsapi.js.html]
  type: testharness
  prefs: [javascript.options.asyncstack:true]
  [unexpected success in assertInstantiateError 14]
    expected: FAIL

  [unexpected success in assertInstantiateError 15]
    expected: FAIL

  [unexpected success in assertInstantiateError 16]
    expected: FAIL

  [unexpected success in assertInstantiateError 17]
    expected: FAIL

  [unexpected success in assertInstantiateError 19]
    expected: FAIL

  [unexpected success in assertInstantiateError 20]
    expected: FAIL

  [unexpected success in assertInstantiateError 21]
    expected: FAIL