[user-interaction-editing-contenteditable.html]
  [empty contentEditable attribute]
    expected: FAIL

  [set contentEditable = "true"]
    expected: FAIL

  [set contentEditable = "false"]
    expected: FAIL

  [set parent element contentEditable = "true"]
    expected: FAIL

  [contentEditable=plaintext-only attribute]
    expected: FAIL

  [set parent element contentEditable = "plaintext-only"]
    expected: FAIL