// Verify NameID format
        assertEquals("urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress", defaultSettings.get("onelogin.saml2.sp.nameidformat"));
    }

    @Test
    public void test_buildDefaultUrl_withDefaultBaseUrl() throws Exception {
        // Test that buildDefaultUrl returns http://localhost:8080 when no property is set
        SamlAuthenticator authenticator = new SamlAuthenticator();