protected void runTest() throws Throwable {
DocumentBuilder builder = dbf.newDocumentBuilder();
Element element = builder.parse(new InputSource(new StringReader(
"<root><a/><b/><c/></root>"))).getDocumentElement();
element.removeChild(element.getFirstChild());
Node firstChild = element.getFirstChild();
assertNotNull(firstChild);
assertEquals("b", firstChild.getNodeName());
}
}