Fix assertEquals argument order in TestMessage

Change-Id: Iae66232dd1ca9462e6b4e8b4ec13f869ba246dbc
diff --git a/src/test/java/de/ids_mannheim/korap/response/TestMessage.java b/src/test/java/de/ids_mannheim/korap/response/TestMessage.java
index 892250d..f54519c 100644
--- a/src/test/java/de/ids_mannheim/korap/response/TestMessage.java
+++ b/src/test/java/de/ids_mannheim/korap/response/TestMessage.java
@@ -53,6 +53,6 @@
         for (Message msg : km)
             test += msg.getCode();
 
-        assertEquals(test, "612613614");
+        assertEquals("612613614", test);
     };
 };