Runs the test case.
Document doc;
NodeList elementList;
Node childNode;
Node clonedNode;
Node lastChildNode;
String childValue;
doc = (Document) load("hc_staff", true);
elementList = doc.getElementsByTagName("sup");
childNode = elementList.item(1);
clonedNode = childNode.cloneNode(true);
lastChildNode = clonedNode.getLastChild();
childValue = lastChildNode.getNodeValue();
assertEquals("cloneContainsText", "35,000", childValue);