def getResponsePathValue( path )
       @fieldValue = ""
       e = getResponseElement( path )
       if e and e.is_a?( REXML::Element ) and e.has_text?
          @fieldValue = e.text
       end
       @fieldValue
   end
def getResponsePathValue( path )
       @fieldValue = ""
       e = getResponseElement( path )
       if e and e.is_a?( REXML::Element ) and e.has_text?
          @fieldValue = e.text
       end
       @fieldValue
   end
Gets the value of a field using an XPath spec., e.g. field/name