[animation-node-previous-sibling.html]
  type: testharness
  [AnimationNode.previousSibling is null if the node is standalone]
    expected: FAIL

  [AnimationNode.previousSibling is null if the node is the only child of its parent]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node. Test first child]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node. Test second child]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node. Test tree structure with AnimationGroup]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node. Test tree structure with AnimationSequence]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is changed by method before()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is removed by method before()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, several nodes are added by method before()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is changed by method after()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is removed by method after()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, several nodes are added by method after()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is changed by method replace()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is removed by method replace()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, several nodes are added by method replace()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is changed by method remove()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is changed by method AnimationGroup.prepend()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is removed by method AnimationGroup.prepend()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, several nodes are added by method AnimationGroup.prepend()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is changed by method AnimationGroup.append()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, the previous sibling is removed by method AnimationGroup.append()]
    expected: FAIL

  [AnimationNode.previousSibling returns previous sibling of this animation node, several nodes are added by method AnimationGroup.append()]
    expected: FAIL

