Runs the test case.
Document doc;
NodeList elementList;
Node employeeNode;
Node lchildNode;
String childName;
doc = (Document) load("hc_staff", false);
elementList = doc.getElementsByTagName("p");
employeeNode = elementList.item(1);
lchildNode = employeeNode.getLastChild();
childName = lchildNode.getNodeName();
assertEquals("whitespace", "#text", childName);