[view-transition-class-valid.html]
  [e.style['view-transition-class'\] = "none" should set the property value]
    expected: FAIL

  [e.style['view-transition-class'\] = "foo" should set the property value]
    expected: FAIL

  [e.style['view-transition-class'\] = "bar" should set the property value]
    expected: FAIL

  [e.style['view-transition-class'\] = "baz" should set the property value]
    expected: FAIL

  [e.style['view-transition-class'\] = "foo bar" should set the property value]
    expected: FAIL

  [e.style['view-transition-class'\] = "foo bar baz" should set the property value]
    expected: FAIL