Runs the test case.
Document doc;
NamedNodeMap attributes;
Node element;
Attr attribute;
NodeList elementList;
doc = (Document) load("staffNS", true);
elementList = doc.getElementsByTagNameNS("http://www.nist.gov", "address");
element = elementList.item(1);
attributes = element.getAttributes();
attribute = (Attr) attributes.removeNamedItemNS("http://www.nist.gov", "domestic");
attribute = (Attr) attributes.getNamedItemNS("http://www.nist.gov", "domestic");
assertNull("namednodemapremovenameditemns01", attribute);