Runs the test case.
Document doc;
Element root;
NodeList elementList;
Element testName;
Node firstChild;
String childValue;
Text textNode;
Node retNode;
doc = (Document) load("hc_staff", true);
elementList = doc.getElementsByTagName("sup");
testName = (Element) elementList.item(0);
textNode = doc.createTextNode("");
retNode = testName.appendChild(textNode);
textNode = doc.createTextNode(",000");
retNode = testName.appendChild(textNode);
root = doc.getDocumentElement();
root.normalize();
elementList = doc.getElementsByTagName("sup");
testName = (Element) elementList.item(0);
firstChild = testName.getFirstChild();
childValue = firstChild.getNodeValue();
assertEquals("elementNormalizeAssert", "56,000,000", childValue);