@Test
public void testAppliesTo() {
assertNull(
SAMLUtil.getFirstElement(((RequestSecurityToken) req.getXMLObject()), AppliesTo.class));
req.setAppliesTo("appliesto");
RequestSecurityToken rst = (RequestSecurityToken) req.getXMLObject();
AppliesTo appliesTo = SAMLUtil.getFirstElement(rst, AppliesTo.class);
assertNotNull(appliesTo);
EndpointReference epr = (EndpointReference) appliesTo.getUnknownXMLObjects().get(0);
assertEquals("appliesto", epr.getAddress().getValue());
}