Test http://www.w3.org/2001/DOM-Test-Suite/level3/core/noderemovechild23

<test name='noderemovechild23' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-3 dom3.xsd'>
     <metadata>
          <title>noderemovechild23</title>
          <creator>IBM</creator>
          <description> Using removeChild on a new Element node attempt to remove a new ProcessingInstruction child and verify the name of the returned node that was removed. Now to remove the child using removeChild on the parent and verify if a NOT_FOUND_ERR is thrown. </description>
          <contributor>Neil Delima</contributor>
          <date qualifier='created'>2002-06-10</date>
          <subject resource='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core#ID-1734834066'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='parent' type='Element'/>
     <var name='child' type='ProcessingInstruction'/>
     <var name='removed' type='ProcessingInstruction'/>
     <var name='removedName' type='DOMString'/>
     <var name='removedNode' type='Node'/>
     <var name='appendedChild' type='Node'/>
     <load var='doc' href='hc_staff' willBeModified='true'/>
     <createElementNS var='parent' obj='doc' namespaceURI='"http://www.w3.org/1999/xhtml"' qualifiedName='"dom3:p"'/>
     <createProcessingInstruction var='child' obj='doc' data='"DATA"' target='"TARGET"'/>
     <appendChild obj='parent' var='appendedChild' newChild='child'/>
     <removeChild var='removed' obj='parent' oldChild='child'/>
     <target obj='removed' var='removedName' interface='ProcessingInstruction'/>
     <assertEquals actual='removedName' expected='"TARGET"' id='noderemovechild23' ignoreCase='false'/>
     <assertDOMException id='throw_NOT_FOUND_ERR'>
          <NOT_FOUND_ERR>
               <removeChild obj='parent' var='removedNode' oldChild='child'/>
          </NOT_FOUND_ERR>
     </assertDOMException>
</test>

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