Test http://www.w3.org/2001/DOM-Test-Suite/level2/core/documentcreateattributeNS07

<test name='documentcreateattributeNS07' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-2 dom2.xsd'>
     <metadata>
          <title>documentcreateattributeNS07</title>
          <creator>IBM</creator>
          <description> The method createAttributeNS raises a NAMESPACE_ERR if the qualifiedName is xmlns and the namespaceURI is different from http://www.w3.org/2000/xmlns Invoke the createAttributeNS method on this DOMImplementation object with the qualifiedName as xmlns and namespaceURI as http://www.W3.org/2000/xmlns. Check if the NAMESPACE_ERR exception is thrown. </description>
          <contributor>Neil Delima</contributor>
          <date qualifier='created'>2002-04-30</date>
          <subject resource='http://www.w3.org/TR/DOM-Level-2-Core/core'/>
          <subject resource='http://www.w3.org/TR/DOM-Level-2-Core/core#ID-DocCrAttrNS'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='attribute' type='Attr'/>
     <var name='namespaceURI' type='DOMString' value='"http://www.W3.org/2000/xmlns"'/>
     <var name='qualifiedName' type='DOMString' value='"xmlns"'/>
     <load var='doc' href='staffNS' willBeModified='false'/>
     <assertDOMException id='documentcreateattributeNS07'>
          <NAMESPACE_ERR>
               <createAttributeNS obj='doc' var='attribute' namespaceURI='namespaceURI' qualifiedName='qualifiedName'/>
          </NAMESPACE_ERR>
     </assertDOMException>
</test>

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