FAIL on parent-child 'a' element: , FAIL on parent-child 'b' element: , FAIL on child 'a' to child 'b' element: , FAIL on parent-attribute: , FAIL on attribute-child 'a' element: , FAIL on attribute-child 'b' element: , FAIL on parent-text: , FAIL on text-child 'a' element: , FAIL on text-child 'b' element: , FAIL on attribute-text: , Success