Test http://www.w3.org/2001/DOM-Test-Suite/level1/core/elementremoveattributeaftercreate

<test name='elementremoveattributeaftercreate' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-1 dom1.xsd'>
     <metadata>
          <title>elementRemoveAttributeAfterCreate</title>
          <creator>NIST</creator>
          <description> The "removeAttributeNode(oldAttr)" method removes the specified attribute. Retrieve the last child of the third employee, add a new "district" node to it and then try to remove it. To verify that the node was removed use the "getNamedItem(name)" method from the NamedNodeMap interface. It also uses the "getAttributes()" method from the Node interface. </description>
          <contributor>Mary Brady</contributor>
          <date qualifier='created'>2001-08-17</date>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-D589198'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='elementList' type='NodeList'/>
     <var name='testEmployee' type='Element'/>
     <var name='newAttribute' type='Attr'/>
     <var name='attributes' type='NamedNodeMap'/>
     <var name='districtAttr' type='Attr'/>
     <load var='doc' href='staff' willBeModified='true'/>
     <getElementsByTagName interface='Document' obj='doc' tagname='"address"' var='elementList'/>
     <item interface='NodeList' obj='elementList' index='2' var='testEmployee'/>
     <createAttribute obj='doc' var='newAttribute' name='"district"'/>
     <setAttributeNode obj='testEmployee' var='districtAttr' newAttr='newAttribute'/>
     <removeAttributeNode obj='testEmployee' var='districtAttr' oldAttr='newAttribute'/>
     <attributes obj='testEmployee' var='attributes'/>
     <getNamedItem obj='attributes' var='districtAttr' name='"district"'/>
     <assertNull actual='districtAttr' id='elementRemoveAttributeAfterCreateAssert'/>
</test>

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