[arguments.py]
  [test_element_reference[frame\]]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1274251
    expected: FAIL

  [test_element_reference[shadow-root\]]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1744928
    expected: FAIL

  [test_element_reference[window\]]
    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1274251
    expected: FAIL