Runs the test case.
Document doc;
Element docElem;
Element element;
NodeList childList;
Node appendedChild;
doc = (Document) load("staffNS", true);
docElem = doc.getDocumentElement();
element = doc.createElementNS("test", "employeeId");
appendedChild = docElem.appendChild(element);
childList = doc.getElementsByTagNameNS("*", "employeeId");
assertSize("documentgetelementsbytagnameNS02", 6, childList);