Update TestNG version (#2582)

samples/server/petstore/go-gin-api-server/api/openapi.yaml

@@ -1,6 +1,7 @@
 openapi: 3.0.1
 info:
-  description: This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+  description: This is a sample server Petstore server. For this sample, you can use
+    the api key `special-key` to test the authorization filters.
   license:
     name: Apache-2.0
     url: http://www.apache.org/licenses/LICENSE-2.0.html
@@ -118,7 +119,8 @@ paths:
   /pet/findByTags:
     get:
       deprecated: true
-      description: Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+      description: Multiple tags can be provided with comma separated strings. Use
+        tag1, tag2, tag3 for testing.
       operationId: findPetsByTags
       parameters:
       - description: Tags to filter by
@@ -330,7 +332,8 @@ paths:
       x-codegen-request-body-name: body
   /store/order/{orderId}:
     delete:
-      description: For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+      description: For valid response try integer IDs with value < 1000. Anything
+        above 1000 or nonintegers will generate API errors
       operationId: deleteOrder
       parameters:
       - description: ID of the order that needs to be deleted
@@ -350,7 +353,8 @@ paths:
       tags:
       - store
     get:
-      description: For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+      description: For valid response try integer IDs with value <= 5 or > 10. Other
+        values will generated exceptions
       operationId: getOrderById
       parameters:
       - description: ID of pet that needs to be fetched