Runs the test case.
Document doc;
NodeList elementList;
Node employeeNode;
NodeList employeeList;
Node childNode;
Node textNode;
NodeList textList;
doc = (Document) load("staff", false);
elementList = doc.getElementsByTagName("employee");
employeeNode = elementList.item(2);
employeeList = employeeNode.getChildNodes();
childNode = employeeList.item(1);
textNode = childNode.getFirstChild();
textList = textNode.getChildNodes();
assertSize("nodelistIndexGetLengthOfEmptyListAssert", 0, textList);