Fix assert argument order in UserGroupTestBase

Change-Id: Ie1b33d5033cbd29bbc364a246faf622a2738a596
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/usergroup/UserGroupTestBase.java b/src/test/java/de/ids_mannheim/korap/web/controller/usergroup/UserGroupTestBase.java
index 82568c0..d63a681 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/usergroup/UserGroupTestBase.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/usergroup/UserGroupTestBase.java
@@ -83,7 +83,7 @@
         JsonNode node = listUserGroups(username);
         node = node.get(0);
         assertEquals(2, node.get("members").size());
-        assertEquals(node.at("/members/1/userId").asText(), memberUsername);
+        assertEquals(memberUsername, node.at("/members/1/userId").asText());
         assertEquals(1, node.at("/members/1/privileges").size());
     }