Runs the test case.
Document doc;
NodeList elementList;
Node employeeNode;
Node clonedNode;
Node parentNode;
doc = (Document) load("hc_staff", true);
elementList = doc.getElementsByTagName("p");
employeeNode = elementList.item(1);
clonedNode = employeeNode.cloneNode(false);
parentNode = clonedNode.getParentNode();
assertNull("nodeCloneGetParentNullAssert1", parentNode);