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

<test name='hc_attrspecifiedvaluechanged' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-1 dom1.xsd'>
     <metadata>
          <title>hc_attrSpecifiedValueChanged</title>
          <creator>Curt Arnold</creator>
          <description> The "getSpecified()" method for an Attr node should return true if the value of the attribute is changed. Retrieve the attribute named "class" from the last child of of the THIRD employee and change its value to "Yes"(which is the default DTD value). This should cause the "getSpecified()" method to be true. This test uses the "setAttribute(name,value)" method from the Element interface and the "getNamedItem(name)" method from the NamedNodeMap interface. </description>
          <date qualifier='created'>2002-06-09</date>
          <subject resource='http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-core#ID-862529273'/>
</metadata>
     <var name='doc' type='Document'/>
     <var name='addressList' type='NodeList'/>
     <var name='testNode' type='Node'/>
     <var name='attributes' type='NamedNodeMap'/>
     <var name='streetAttr' type='Attr'/>
     <var name='state' type='boolean'/>
     <load var='doc' href='hc_staff' willBeModified='true'/>
     <getElementsByTagName interface='Document' obj='doc' var='addressList' tagname='"acronym"'/>
     <item interface='NodeList' obj='addressList' var='testNode' index='2'/>
     <setAttribute obj='testNode' name='"class"' value='"Yα"'/>
     <attributes obj='testNode' var='attributes'/>
     <getNamedItem obj='attributes' var='streetAttr' name='"class"'/>
     <specified obj='streetAttr' var='state'/>
     <assertTrue actual='state' id='acronymClassSpecified'/>
</test>

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