diff --git a/gemeinsamforschen/src/main/java/unipotsdam/gf/config/GFRocketChatConfig.java b/gemeinsamforschen/src/main/java/unipotsdam/gf/config/GFRocketChatConfig.java
index feac0c4e9926ffabdf27fad4ff2c1620d8b0b680..e046f7358f4a199e018e2e9ce7961032a799bff7 100644
--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/config/GFRocketChatConfig.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/config/GFRocketChatConfig.java
@@ -1,8 +1,14 @@
 package unipotsdam.gf.config;
 
+import unipotsdam.gf.core.management.user.User;
+
 public class GFRocketChatConfig {
 
-    public static final String ROCKET_CHAT_LINK = "https://rocket.farm.uni-potsdam.de/";
+    public static final String ROCKET_CHAT_API_LINK = "http://rocketchat.westeurope.cloudapp.azure.com/api/v1/";
+
     public static final String ADMIN_USERNAME = "";
-    public static final String ADMIN_PASSWORD = "";
+    public static final String ADMIN_TOKEN = "";
+
+    public static final User TEST_USER = new User("username", "password", "email",
+            "rocketChatUserName", false);
 }
diff --git a/gemeinsamforschen/src/main/java/unipotsdam/gf/core/management/user/User.java b/gemeinsamforschen/src/main/java/unipotsdam/gf/core/management/user/User.java
index db40d181c17ccbaaf05df91e89b253ad4eba35fb..1018afde89d4f472f1398e5fb7433aa22c27152d 100644
--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/core/management/user/User.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/core/management/user/User.java
@@ -28,6 +28,11 @@ public class User {
                 "", "", isStudent);
     }
 
+    public User(String name, String password, String email, String rocketChatUsername, Boolean isStudent) {
+        this(name, password, email, "", rocketChatUsername, "",
+                "", "", isStudent);
+    }
+
     public User(String name, String password, String email, String token, String rocketChatUsername,
                 String rocketChatAuthToken, String rocketChatPersonalAccessToken, String rocketChatUserId,
                 Boolean isStudent) {
diff --git a/gemeinsamforschen/src/main/java/unipotsdam/gf/modules/communication/service/CommunicationDummyService.java b/gemeinsamforschen/src/main/java/unipotsdam/gf/modules/communication/service/CommunicationDummyService.java
index 8081ca7670653620428c6fa6e7b88eae7a7a5b5d..0e3e73087a52a6580c7695307a36a475f9983562 100644
--- a/gemeinsamforschen/src/main/java/unipotsdam/gf/modules/communication/service/CommunicationDummyService.java
+++ b/gemeinsamforschen/src/main/java/unipotsdam/gf/modules/communication/service/CommunicationDummyService.java
@@ -103,7 +103,6 @@ public class CommunicationDummyService implements ICommunication {
                         .post(GFRocketChatConfig.ROCKET_CHAT_API_LINK + "login")
                         .body(rocketChatAuth)
                         .asObject(RocketChatResponse.class);
-        // TODO: add Error class which holds Errors and posts them
         int status = response.getStatus();
         if (status == Response.Status.UNAUTHORIZED.getStatusCode() || status == Response.Status.BAD_REQUEST.getStatusCode()) {
             return false;