Test http://www.w3.org/2001/DOM-Test-Suite/level1/core/hc_attrinsertbefore2

<test name='hc_attrinsertbefore2' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-1 dom1.xsd'>
     <metadata>
          <title>hc_attrinsertbefore2</title>
          <creator>Curt Arnold</creator>
          <description> Prepends a text node to an attribute and checks if the value of the attribute is changed. </description>
          <date qualifier='created'>2004-01-01</date>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-637646024'/>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-952280727'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='acronymList' type='NodeList'/>
     <var name='testNode' type='Node'/>
     <var name='attributes' type='NamedNodeMap'/>
     <var name='titleAttr' type='Attr'/>
     <var name='value' type='DOMString'/>
     <var name='textNode' type='Text'/>
     <var name='retval' type='Node'/>
     <var name='lastChild' type='Node'/>
     <var name='firstChild' type='Node'/>
     <var name='refChild' type='Node'/>
     <load var='doc' href='hc_staff' willBeModified='true'/>
     <getElementsByTagName interface='Document' obj='doc' var='acronymList' tagname='"acronym"'/>
     <item interface='NodeList' obj='acronymList' var='testNode' index='3'/>
     <attributes obj='testNode' var='attributes'/>
     <getNamedItem obj='attributes' var='titleAttr' name='"title"'/>
     <createTextNode var='textNode' obj='doc' data='"terday"'/>
     <firstChild var='refChild' obj='titleAttr' interface='Node'/>
     <insertBefore var='retval' obj='titleAttr' newChild='textNode' refChild='refChild'/>
     <!-- check that Attr.value gives expected result -->
     <value interface='Attr' obj='titleAttr' var='value'/>
     <assertEquals actual='value' expected='"terdayYes"' id='attrValue' ignoreCase='false'/>
     <!-- check that Node.value gives expected result -->
     <nodeValue obj='titleAttr' var='value'/>
     <assertEquals actual='value' expected='"terdayYes"' id='attrNodeValue' ignoreCase='false'/>
     <!-- check that retval is the appended node -->
     <nodeValue obj='retval' var='value'/>
     <assertEquals actual='value' expected='"terday"' id='retvalValue' ignoreCase='false'/>
     <!-- check that firstChild is the prepended node -->
     <firstChild var='firstChild' obj='titleAttr' interface='Node'/>
     <nodeValue obj='firstChild' var='value'/>
     <assertEquals actual='value' expected='"terday"' id='firstChildValue' ignoreCase='false'/>
     <!-- check that lastChild is the original node -->
     <lastChild var='lastChild' obj='titleAttr' interface='Node'/>
     <nodeValue obj='lastChild' var='value'/>
     <assertEquals actual='value' expected='"Yes"' id='lastChildValue' ignoreCase='false'/>
</test>

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