public void GetAnnotationSpecResourceNames()
        {
            moq::Mock <DatasetService.DatasetServiceClient> mockGrpcClient = new moq::Mock <DatasetService.DatasetServiceClient>(moq::MockBehavior.Strict);

            mockGrpcClient.Setup(x => x.CreateOperationsClient()).Returns(new moq::Mock <lro::Operations.OperationsClient>().Object);
            GetAnnotationSpecRequest request = new GetAnnotationSpecRequest
            {
                AnnotationSpecName = AnnotationSpecName.FromProjectLocationDatasetAnnotationSpec("[PROJECT]", "[LOCATION]", "[DATASET]", "[ANNOTATION_SPEC]"),
            };
            AnnotationSpec expectedResponse = new AnnotationSpec
            {
                AnnotationSpecName = AnnotationSpecName.FromProjectLocationDatasetAnnotationSpec("[PROJECT]", "[LOCATION]", "[DATASET]", "[ANNOTATION_SPEC]"),
                DisplayName        = "display_name137f65c2",
                CreateTime         = new wkt::Timestamp(),
                UpdateTime         = new wkt::Timestamp(),
                Etag = "etage8ad7218",
            };

            mockGrpcClient.Setup(x => x.GetAnnotationSpec(request, moq::It.IsAny <grpccore::CallOptions>())).Returns(expectedResponse);
            DatasetServiceClient client   = new DatasetServiceClientImpl(mockGrpcClient.Object, null);
            AnnotationSpec       response = client.GetAnnotationSpec(request.AnnotationSpecName);

            xunit::Assert.Same(expectedResponse, response);
            mockGrpcClient.VerifyAll();
        }