final String scope = authenticator.getOicScope();
        assertEquals("", scope);
    }

    @Test
    public void test_buildDefaultRedirectUrl_noBaseUrl() {
        final String url = authenticator.buildDefaultRedirectUrl();
        assertEquals("http://localhost:8080/sso/", url);
    }

    @Test
    public void test_logout_returnsNull() {
        assertNull(authenticator.logout(null));
    }

    @Test