diff --git a/data/import/test_users.csv b/data/import/test_users.csv
--- a/data/import/test_users.csv
+++ b/data/import/test_users.csv
@@ -1,12 +1,12 @@
 group_id;username;password;firstname;lastname
-3;manager1@onscreen.net;098f6bcd4621d373cade4e832627b4f6;Manager1;Onscreen
-4;supporter1@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter1;Onscreen
-4;supporter2@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter2;Onscreen
-4;supporter3@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter3;Onscreen
-4;supporter4@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter4;Onscreen
-4;supporter5@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter5;Onscreen
-4;supporter6@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter6;Onscreen
-4;supporter7@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter7;Onscreen
-4;supporter8@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter8;Onscreen
-4;supporter9@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter9;Onscreen
-4;supporter10@onscreen.net;098f6bcd4621d373cade4e832627b4f6;supporter10;Onscreen
+3;manager1@testbox.de;098f6bcd4621d373cade4e832627b4f6;Manager1;Testbox
+4;supporter1@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter1;Testbox
+4;supporter2@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter2;Testbox
+4;supporter3@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter3;Testbox
+4;supporter4@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter4;Testbox
+4;supporter5@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter5;Testbox
+4;supporter6@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter6;Testbox
+4;supporter7@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter7;Testbox
+4;supporter8@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter8;Testbox
+4;supporter9@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter9;Testbox
+4;supporter10@testbox.de;098f6bcd4621d373cade4e832627b4f6;supporter10;Testbox