assertNotNull(credential);
        assertEquals("testuser", ((TestLoginCredential) credential).username);
    }

    // Test getResponse() method
    public void test_getResponse_whenNotAvailable() {
        currentSsoType = Constants.NONE;
        assertNull(ssoManager.getResponse(SsoResponseType.METADATA));
        assertNull(ssoManager.getResponse(SsoResponseType.LOGOUT));
    }