Runs the test case.
Document doc;
Element element;
Attr attribute;
NodeList elementList;
String attrName;
String attrValue;
doc = (Document) load("staff", true);
elementList = doc.getElementsByTagNameNS("*", "address");
element = (Element) elementList.item(0);
element.setAttributeNS("http://www.w3.org/DOM/Test/setAttributeNS", "this:street", "Silver Street");
attribute = element.getAttributeNodeNS("http://www.w3.org/DOM/Test/setAttributeNS", "street");
attrName = attribute.getNodeName();
attrValue = attribute.getNodeValue();
assertEquals("elementsetattributens02_attrName", "this:street", attrName);
assertEquals("elementsetattributens02_attrValue", "Silver Street", attrValue);