SOAPHeaderElement unknownHeader =
new SOAPHeaderElement("http://example.org",
"unknown",
"Nobody understands me!");
unknownHeader.setMustUnderstand(true);
call.addHeader(unknownHeader);
try {
call.invoke(new QName(TEST_NS, "echoVoid"), null);
} catch (AxisFault fault) {
// Got the expected Fault - make sure it looks right
assertEquals(Constants.FAULT_SOAP12_MUSTUNDERSTAND,