assertNotNull(authenticator.getLastResolver());
    }

    // Test getResponse method with different response types
    @Test
    public void test_getResponse_withMetadataType() {
        // Setup - Test with null response initially
        ActionResponse result = authenticator.getResponse(SsoResponseType.METADATA);

        // Verify initial state
        assertNull(result);

Shinsuke Sugaya <******@****.***> 1773442886 +0900