Runs the test case.
Document doc;
NodeList elementList;
Node testEmployee;
NamedNodeMap attributes;
Attr streetAttr;
String value;
Node removedNode;
doc = (Document) load("staff", true);
elementList = doc.getElementsByTagName("address");
testEmployee = elementList.item(2);
attributes = testEmployee.getAttributes();
assertNotNull("attributesNotNull", attributes);
removedNode = attributes.removeNamedItem("street");
streetAttr = (Attr) attributes.getNamedItem("street");
assertNotNull("streetAttrNotNull", streetAttr);
value = streetAttr.getValue();
assertEquals("namednodemapRemoveNamedItemGetValueAssert", "Yes", value);