Added new tests fixed some problem

src/main/resources/application.yml

@@ -50,4 +50,9 @@ security:
 app:
   cors:
     # Production default: strictly allow only the frontend domain
-    allowed-origins: "https://tbp.andreas-dahm.eu"
+    allowed-origins: "https://tbp.andreas-dahm.eu"
+
+# Registration settings
+auth:
+  registration:
+    invitation-code: ${AUTH_INVITATION_CODE}