Runs the test case.
Document doc;
NodeList addressList;
Node testNode;
NamedNodeMap attributes;
Attr streetAttr;
String value;
doc = (Document) load("staff", true);
addressList = doc.getElementsByTagName("address");
testNode = addressList.item(3);
attributes = testNode.getAttributes();
streetAttr = (Attr) attributes.getNamedItem("street");
streetAttr.setValue("Y&ent1;");
value = streetAttr.getValue();
assertEquals("value", "Y&ent1;", value);
value = streetAttr.getNodeValue();
assertEquals("nodeValue", "Y&ent1;", value);