Test http://www.w3.org/2001/DOM-Test-Suite/level2/core/elementsetattributenodens03

<test name='elementsetattributenodens03' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-2 dom2.xsd'>
     <metadata>
          <title>elementsetattributenodens03</title>
          <creator>IBM</creator>
          <description> The method setAttributeNodeNS adds a new attribute and raises the INUSE_ATTRIBUTE_ERR exception if the newAttr is already an attribute of another Element object. Retreive an attribute node of an existing element node. Attempt to add it to an another element node. Check if the INUSE_ATTRIBUTE_ERR exception is thrown. </description>
          <contributor>Neil Delima</contributor>
          <date qualifier='created'>2002-04-28</date>
          <subject resource='http://www.w3.org/TR/DOM-Level-2-Core/core#ID-ElSetAtNodeNS'/>
</metadata>
     <implementationAttribute name='namespaceAware' value='true'/>
     <implementationAttribute name='namespaceAware' value='true'/>
     <var name='doc' type='Document'/>
     <var name='element1' type='Element'/>
     <var name='element2' type='Element'/>
     <var name='attribute' type='Attr'/>
     <var name='newAttribute' type='Attr'/>
     <var name='elementList' type='NodeList'/>
     <var name='nullNS' type='DOMString' isNull='true'/>
     <load var='doc' href='staffNS' willBeModified='true'/>
     <getElementsByTagNameNS var='elementList' obj='doc' namespaceURI='"http://www.nist.gov"' localName='"address"' interface='Document'/>
     <item var='element1' obj='elementList' index='1' interface='NodeList'/>
     <getAttributeNodeNS var='attribute' obj='element1' namespaceURI='nullNS' localName='"street"'/>
     <item var='element2' obj='elementList' index='2' interface='NodeList'/>
     <assertDOMException id='elementsetattributenodens03'>
          <INUSE_ATTRIBUTE_ERR>
               <setAttributeNodeNS var='newAttribute' obj='element2' newAttr='attribute'/>
          </INUSE_ATTRIBUTE_ERR>
     </assertDOMException>
</test>

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