[focusreset-iframe.tentative.html]
  [Removing the focused element inside an iframe fires focusreset only at the iframe's document]
    expected: FAIL

  [Removing an iframe which contains the focused element fires focusreset at the parent document]
    expected: FAIL

  [Removing a focused iframe (with its viewport focused) fires focusreset at the parent document]
    expected: FAIL

  [Removing the focused element in the parent doesn't fire focusreset at unrelated iframes]
    expected: FAIL