Runs the test case.
Document doc;
NodeList elementList;
Node employeeNode;
Node clonedNode;
String cloneName;
NodeList cloneChildren;
int length;
doc = (Document) load("staff", true);
elementList = doc.getElementsByTagName("employee");
employeeNode = elementList.item(1);
clonedNode = employeeNode.cloneNode(false);
cloneName = clonedNode.getNodeName();
assertEquals("name", "employee", cloneName);
cloneChildren = clonedNode.getChildNodes();
length = (int) cloneChildren.getLength();
assertEquals("length", 0, length);