Runs the test case.
Document doc;
NodeList elementList;
Node nameNode;
Text textNode;
Text splitNode;
Node secondPart;
String value;
doc = (Document) load("staff", true);
elementList = doc.getElementsByTagName("name");
nameNode = elementList.item(2);
textNode = (Text) nameNode.getFirstChild();
splitNode = textNode.splitText(7);
secondPart = textNode.getNextSibling();
value = secondPart.getNodeValue();
assertEquals("textSplitTextOneAssert", "Jones", value);