OLINGO-1355: correcting the error code check
diff --git a/lib/server-core-ext/src/main/java/org/apache/olingo/server/core/requests/BatchRequest.java b/lib/server-core-ext/src/main/java/org/apache/olingo/server/core/requests/BatchRequest.java
index 5f39f9b..4572c3e 100644
--- a/lib/server-core-ext/src/main/java/org/apache/olingo/server/core/requests/BatchRequest.java
+++ b/lib/server-core-ext/src/main/java/org/apache/olingo/server/core/requests/BatchRequest.java
@@ -80,7 +80,7 @@
         try {
           txnId = handler.startTransaction();
           partResponse = processChangeSet(part, handler);
-          if (partResponse.getResponses().get(0).getStatusCode() > 400) {
+          if (partResponse.getResponses().get(0).getStatusCode() >= 400) {
             handler.rollback(txnId);
           } else {
             handler.commit(txnId);