adjusted sp entity ID to testing

config/config.js

@@ -10,7 +10,7 @@ module.exports = {
         path: process.env.SAML_PATH || '/saml/SSO',
         entryPoint: process.env.SAML_ENTRY_POINT || 'https://transfer.hft-stuttgart.de/idp/saml2/idp/SSOService.php',
         //issuer: 'sp-account.m4lab.hft-stuttgart.de', //local metadata
-        issuer: 'sp-account-test.m4lab.hft-stuttgart.de', //testing metadata
+        issuer: 'sp-account-testing.m4lab.hft-stuttgart.de', //testing metadata
         //issuer: 'sp-account-prod.m4lab.hft-stuttgart.de', //production metadata
         logoutUrl: 'https://transfer.hft-stuttgart.de/idp/saml2/idp/SingleLogoutService.php'
       }