@org.junit.Test
public void testFilteredRealmAIdentityMapping() throws Exception {
ClaimsManager claimsManager = new ClaimsManager();
claimsManager.setIdentityMapper(new CustomIdentityMapper());
RealmSupportClaimsHandler realmAHandler = new RealmSupportClaimsHandler();
realmAHandler.setRealm("A");
realmAHandler.setSupportedClaimTypes(Collections.singletonList(URI.create("Claim-A")));