[interactivity-inert-html-attribute-ua.html]
  [[inert\] { interactivity: inert }]
    expected: FAIL

  [[inert\] { interactivity: inert } inherited]
    expected: FAIL

  [Author interactivity:auto overrides inherited UA [inert\] { interactivity: inert }]
    expected: FAIL

  [Author interactivity:auto overrides UA [inert\] { interactivity: inert }]
    expected: FAIL