Test http://www.w3.org/2001/DOM-Test-Suite/level2/core/createAttributeNS04

<test name='createAttributeNS04' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-2 dom2.xsd'>
     <metadata>
          <title>createAttributeNS04</title>
          <creator>NIST</creator>
          <description> The "createAttributeNS(namespaceURI,qualifiedName)" method for a Document should raise NAMESPACE_ERR DOMException if qualifiedName has the "xml" prefix and namespaceURI is different from "http://www.w3.org/XML/1998/namespace". Invoke method createAttributeNS(namespaceURI,qualifiedName) on this document with qualifiedName being "xml:attr1 and namespaceURI equals the string "http://www.w3.org/XML/1998/namespaces" (which differs from the required string "http://www.w3.org/XML/1998/namespace"). Method should raise NAMESPACE_ERR DOMException. </description>
          <contributor>Mary Brady</contributor>
          <date qualifier='created'>2001-08-17</date>
          <subject resource='http://www.w3.org/TR/DOM-Level-2-Core/core#xpointer(id('ID-258A00AF')/constant[@name='NAMESPACE_ERR'])'/>
          <subject resource='http://www.w3.org/TR/DOM-Level-2-Core/core#ID-DocCrAttrNS'/>
          <subject resource='http://www.w3.org/TR/DOM-Level-2-Core/core#xpointer(id('ID-DocCrAttrNS')/raises/exception[@name='DOMException']/descr/p[substring-before(.,':')='NAMESPACE_ERR'])'/>
</metadata>
     <var name='namespaceURI' type='DOMString' value='"http://www.w3.org/XML/1998/namespaces"'/>
     <var name='qualifiedName' type='DOMString' value='"xml:attr1"'/>
     <var name='doc' type='Document'/>
     <var name='newAttr' type='Attr'/>
     <load var='doc' href='staffNS' willBeModified='false'/>
     <assertDOMException id='throw_NAMESPACE_ERR'>
          <NAMESPACE_ERR>
               <createAttributeNS obj='doc' var='newAttr' namespaceURI='namespaceURI' qualifiedName='qualifiedName'/>
          </NAMESPACE_ERR>
     </assertDOMException>
</test>

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