Test http://www.w3.org/2001/DOM-Test-Suite/level3/core/typeinfogettypenamespace03

<test name='typeinfogettypenamespace03' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-3 dom3.xsd'>
     <metadata>
          <title>typeinfogettypenamespace03</title>
          <creator>IBM</creator>
          <description> The typeNamespace attribute states the namespace of a type declared for the associated element or attribute, or null if unknown. Invoke getSchemaTypeInfo method on an attribute having [type definition] property. Expose {name} and {target namespace} properties of the [type definition] property. Verify that the typeName of class's schemaTypeInfo is correct. </description>
          <contributor>Jenny Hsu</contributor>
          <date qualifier='created'>2003-10-31</date>
          <subject resource='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core#TypeInfo-typeName'/>
</metadata>
     <implementationAttribute name='schemaValidating' value='true'/>
     <implementationAttribute name='validating' value='true'/>
     <implementationAttribute name='namespaceAware' value='true'/>
     <var name='doc' type='Document'/>
     <var name='elemList' type='NodeList'/>
     <var name='classAttr' type='Attr'/>
     <var name='attrTypeInfo' type='TypeInfo'/>
     <var name='typeNamespace' type='DOMString'/>
     <var name='acElem' type='Element'/>
     <load var='doc' href='hc_staff' willBeModified='false'/>
     <getElementsByTagName var='elemList' obj='doc' tagname='"acronym"' interface='Document'/>
     <item var='acElem' obj='elemList' index='1' interface='NodeList'/>
     <getAttributeNode var='classAttr' obj='acElem' name='"class"'/>
     <schemaTypeInfo var='attrTypeInfo' obj='classAttr' interface='Attr'/>
     <typeNamespace var='typeNamespace' obj='attrTypeInfo'/>
     <assertEquals expected='"http://www.w3.org/1999/xhtml"' actual='typeNamespace' id='typeinfogettypename03_1' ignoreCase='false'/>
</test>

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