### Question:
DeleteHandler extends BaseHandlerStd { @Override public ProgressEvent<ResourceModel, CallbackContext> handleRequest( final AmazonWebServicesClientProxy proxy, final ResourceHandlerRequest<ResourceModel> request, final CallbackContext callbackContext, final ProxyClient<CloudFormationClient> proxyClient, final Logger logger) { final ResourceModel model = request.getDesiredResourceState(); return ProgressEvent.<ResourceModel, CallbackContext>builder() .status(OperationStatus.SUCCESS) .build(); }  @Override ProgressEvent<ResourceModel, CallbackContext> handleRequest(
        final AmazonWebServicesClientProxy proxy,
        final ResourceHandlerRequest<ResourceModel> request,
        final CallbackContext callbackContext,
        final ProxyClient<CloudFormationClient> proxyClient,
        final Logger logger);  }### Answer:
@Test public void handleRequest_SimpleSuccess() { final ResourceModel model = ResourceModel.builder().build(); final ResourceHandlerRequest<ResourceModel> request = ResourceHandlerRequest.<ResourceModel>builder() .desiredResourceState(model) .build(); final ProgressEvent<ResourceModel, CallbackContext> response = handler.handleRequest(proxy, request, null, loggerProxy); assertThat(response).isNotNull(); assertThat(response.getStatus()).isEqualTo(OperationStatus.SUCCESS); assertThat(response.getCallbackContext()).isNull(); assertThat(response.getCallbackDelaySeconds()).isEqualTo(0); assertThat(response.getResourceModel()).isNull(); assertThat(response.getResourceModels()).isNull(); assertThat(response.getMessage()).isNull(); assertThat(response.getErrorCode()).isNull(); }