[duration.html]
  type: testharness
  [set duration auto]
    expected: FAIL
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1237173
  [set duration -100]
    expected: FAIL
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1237173
  [set duration abc]
    expected: FAIL
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1237173
  [set duration string 100]
    expected: FAIL
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1237173
