Workflow Retrieve Multiple issues .

Hello All,

I am doing  Riveter Multiple  using  Custom  Workflow ,It is Working in "Development " Environment , It's is retrieving the  records, without any issues ,I take same Solution Deployed Test Environment ,it is not retrieving

any records ,it is not throw any errors..

code consist of following 

protected override void Execute(CodeActivityContext executionContext)      {          IWorkflowContext context = executionContext.GetExtension<IWorkflowContext>();          IOrganizationServiceFactory serviceFactory = executionContext.GetExtension<IOrganizationServiceFactory>();          IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);          ITracingService traceService = executionContext.GetExtension<ITracingService>();

      //query is Query Expression 

      EntityCollection collFirstQuery = service.RetrieveMultiple(query);

   }