[content-counter-valid.html]
  [e.style['content'\] = "\\"\\" / counter(cnt)" should set the property value]
    expected: FAIL

  [e.style['content'\] = "\\"regular text\\" / \\"alt text 1\\" counter(cnt) \\"alt text 2\\"" should set the property value]
    expected: FAIL

  [e.style['content'\] = "\\"regular text\\" / counter(cnt) \\"alt text\\"" should set the property value]
    expected: FAIL