[scroll-markers-valid.html]
  [e.style['scroll-marker-group'\] = "initial" should set the property value]
    expected: FAIL

  [e.style['scroll-marker-group'\] = "inherit" should set the property value]
    expected: FAIL

  [e.style['scroll-marker-group'\] = "unset" should set the property value]
    expected: FAIL

  [e.style['scroll-marker-group'\] = "revert" should set the property value]
    expected: FAIL

  [e.style['scroll-marker-group'\] = "none" should set the property value]
    expected: FAIL

  [e.style['scroll-marker-group'\] = "before" should set the property value]
    expected: FAIL

  [e.style['scroll-marker-group'\] = "after" should set the property value]
    expected: FAIL