[view-timeline-attachment-parsing-tentative.html]
  [e.style['view-timeline-attachment'\] = "initial" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "inherit" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "unset" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "revert" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "local" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "defer" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "ancestor" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "local, defer" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "defer, ancestor" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "local, defer, ancestor, local" should set the property value]
    expected: FAIL

  [e.style['view-timeline-attachment'\] = "local, local, local, local" should set the property value]
    expected: FAIL