[cloning-attributes-at-splitting-element.tentative.html]
  [Cloning attributes at splitting an element in contenteditable 32]
    expected: FAIL

  [Cloning attributes at splitting an element in contenteditable 19]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]

  [Cloning attributes at splitting an element in contenteditable 25]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]

  [Cloning attributes at splitting an element in contenteditable 7]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]

  [Cloning attributes at splitting an element in contenteditable 13]
    expected:
      if (os == "mac") and not debug: [PASS, FAIL]