Runs the test case.
Document doc;
NodeList elementList;
Node employeeNode;
NodeList childList;
Node refChild;
DocumentFragment newdocFragment;
Node newChild1;
Node newChild2;
Node child;
String childName;
Node appendedChild;
Node insertedNode;
doc = (Document) load("hc_staff", true);
elementList = doc.getElementsByTagName("p");
employeeNode = elementList.item(1);
childList = employeeNode.getChildNodes();
refChild = childList.item(3);
newdocFragment = doc.createDocumentFragment();
newChild1 = doc.createElement("br");
newChild2 = doc.createElement("b");
appendedChild = newdocFragment.appendChild(newChild1);
appendedChild = newdocFragment.appendChild(newChild2);
insertedNode = employeeNode.insertBefore(newdocFragment, refChild);
child = childList.item(3);
childName = child.getNodeName();
assertEqualsAutoCase("element", "childName3", "br", childName);
child = childList.item(4);
childName = child.getNodeName();
assertEqualsAutoCase("element", "childName4", "b", childName);