From d6852dcb7c570ae4691b828fbf77d8d566581160 Mon Sep 17 00:00:00 2001
From: Sergey Matvienko <smatvienko@thingsboard.io>
Date: Wed, 25 Aug 2021 00:13:30 +0300
Subject: [PATCH] test: assert not null COAP response instead
 NullPointerException (to clarify the test failure cause)

---
 .../coap/provision/AbstractCoapProvisionProtoDeviceTest.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/application/src/test/java/org/thingsboard/server/transport/coap/provision/AbstractCoapProvisionProtoDeviceTest.java b/application/src/test/java/org/thingsboard/server/transport/coap/provision/AbstractCoapProvisionProtoDeviceTest.java
index 7db300e721..14d72297a4 100644
--- a/application/src/test/java/org/thingsboard/server/transport/coap/provision/AbstractCoapProvisionProtoDeviceTest.java
+++ b/application/src/test/java/org/thingsboard/server/transport/coap/provision/AbstractCoapProvisionProtoDeviceTest.java
@@ -172,7 +172,9 @@ public abstract class AbstractCoapProvisionProtoDeviceTest extends AbstractCoapI
 
     private CoapResponse createCoapClientAndPublish() throws Exception {
         byte[] provisionRequestMsg = createTestProvisionMessage();
-        return createCoapClientAndPublish(provisionRequestMsg);
+        CoapResponse coapResponse = createCoapClientAndPublish(provisionRequestMsg);
+        Assert.assertNotNull("COAP response", coapResponse);
+        return coapResponse;
     }
 
     private CoapResponse createCoapClientAndPublish(byte[] provisionRequestMsg) throws Exception {