Fix assert argument order in UserSettingControllerTest

Change-Id: I33f0574506769d75cbf8c7e5f36913d70eb2eee8
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java
index e7e7ef3..64cd0d0 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/UserSettingControllerTest.java
@@ -72,7 +72,7 @@
         JsonNode node = JsonUtils.readTree(response.readEntity(String.class));
         assertEquals(StatusCodes.INVALID_ARGUMENT,
                 node.at("/errors/0/0").asInt());
-        assertEquals(node.at("/errors/0/2").asText(), "key/");
+        assertEquals("key/", node.at("/errors/0/2").asText());
     }
 
     @Test