refactoring: tests Asset add to delete .andExpect...

application/src/test/java/org/thingsboard/server/controller/BaseAssetControllerTest.java

@@ -164,13 +164,15 @@ public abstract class BaseAssetControllerTest extends AbstractControllerTest {
 
         Mockito.reset(tbClusterService, auditLogService);
 
-        doPost("/api/asset", savedAsset, Asset.class, status().isForbidden());
+        doPost("/api/asset", savedAsset)
+                .andExpect(status().isForbidden())
+                .andExpect(statusReason(containsString(msgErrorPermission)));
 
         testNotifyEntityNever(savedAsset.getId(), savedAsset);
 
-        //TODO fix bug: "No value at JSON path "$.message"
+        doDelete("/api/asset/" + savedAsset.getId().getId().toString())
-        doDelete("/api/asset" + savedAsset.getId().getId().toString())
+                .andExpect(status().isForbidden())
-                .andExpect(status().isNotFound());
+                .andExpect(statusReason(containsString(msgErrorPermission)));
 
         testNotifyEntityNever(savedAsset.getId(), savedAsset);