we do not need a domain for a group file

Author: mbuckton

src/test/java/io/mapsmessaging/security/jaas/CognitoLoginTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright [ 2020 - 2023 ] [Matthew Buckton]
+ * Copyright [ 2020 - 2024 ] [Matthew Buckton]
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -62,10 +62,11 @@ void basicValidation() throws  LoginException {
     }
     ClientCallbackHandler clientCallbackHandler = new ClientCallbackHandler("maps.test", "testPassword01!", "");
     Subject subject = new Subject();
-    LoginModule loginModule = new AwsCognitoLoginModule();
+    AwsCognitoLoginModule loginModule = new AwsCognitoLoginModule();
     loginModule.initialize(subject, clientCallbackHandler, null, getOptions());
     Assertions.assertTrue(loginModule.login());
     Assertions.assertTrue(loginModule.commit());
+    Assertions.assertEquals("cognito", loginModule.getDomain() );
   }
 
   @Test