Runs the test case.
String namespaceURI = "http://www.example.gov";
Document doc;
NodeList elementList;
Node testAddr;
doc = (Document) load("hc_staff", true);
elementList = doc.getElementsByTagName("em");
testAddr = elementList.item(0);
{
boolean success = false;
try {
((Element) /*Node */testAddr).setAttributeNS(namespaceURI, "", "newValue");
} catch (DOMException ex) {
success = (ex.code == DOMException.INVALID_CHARACTER_ERR);
}
assertTrue("throw_INVALID_CHARACTER_ERR", success);
}