Fix assert argument order in KoralNodeTest

Change-Id: I70eea3edeffb022562daddce07a9ac485b829454
diff --git a/src/test/java/de/ids_mannheim/korap/misc/KoralNodeTest.java b/src/test/java/de/ids_mannheim/korap/misc/KoralNodeTest.java
index 08d71f5..eaacfdf 100644
--- a/src/test/java/de/ids_mannheim/korap/misc/KoralNodeTest.java
+++ b/src/test/java/de/ids_mannheim/korap/misc/KoralNodeTest.java
@@ -23,7 +23,7 @@
         ObjectNode node = JsonUtils.createObjectNode();
         KoralNode knode = KoralNode.wrapNode(node);
         knode.put("value_1", "setting_1");
-        assertEquals(knode.rawNode().toString(), "{\"value_1\":\"setting_1\"}");
+        assertEquals("{\"value_1\":\"setting_1\"}", knode.rawNode().toString());
     }
 
     @Test
@@ -33,7 +33,7 @@
         KoralNode knode = KoralNode.wrapNode(node);
         knode.remove("value_1",
                 new RewriteIdentifier("value_1", "", "settings_1"));
-        assertEquals(knode.rawNode().toString(), "{}");
+        assertEquals("{}", knode.rawNode().toString());
     }
 
     @Test
@@ -43,8 +43,8 @@
         KoralNode knode = KoralNode.wrapNode(node);
         knode.replace("value_1", "settings_2",
                 new RewriteIdentifier("value_1", "setting_1", ""));
-        assertEquals(knode.rawNode().toString(),
-                "{\"value_1\":\"settings_2\"}");
+        assertEquals("{\"value_1\":\"settings_2\"}",
+            knode.rawNode().toString());
     }
 
     // todo: 21.10.15 --> if a node is injected, that node must contain a "rewrites" reference?!