[portals-focus.sub.html]
  expected: TIMEOUT
  [test that an element inside a portal cannot steal focus]
    expected: TIMEOUT

  [test that an element inside a portal's x-origin subframe cannot steal focus]
    expected: NOTRUN

  [test that a x-origin iframe inside an adopted portal cannot steal focus]
    expected: NOTRUN

  [test that an element inside an adopted portal cannot steal focus]
    expected: NOTRUN

  [test that a portal is keyboard focusable]
    expected: NOTRUN

  [test that we cannot tab into a portal's contents]
    expected: NOTRUN

  [test that a portal is keyboard activatable]
    expected: NOTRUN

