public async stt::Task DeleteKeyRequestObjectAsync()
        {
            moq::Mock <RecaptchaEnterpriseServiceV1Beta1.RecaptchaEnterpriseServiceV1Beta1Client> mockGrpcClient = new moq::Mock <RecaptchaEnterpriseServiceV1Beta1.RecaptchaEnterpriseServiceV1Beta1Client>(moq::MockBehavior.Strict);
            DeleteKeyRequest request = new DeleteKeyRequest
            {
                KeyName = KeyName.FromProjectKey("[PROJECT]", "[KEY]"),
            };
            wkt::Empty expectedResponse = new wkt::Empty {
            };

            mockGrpcClient.Setup(x => x.DeleteKeyAsync(request, moq::It.IsAny <grpccore::CallOptions>())).Returns(new grpccore::AsyncUnaryCall <wkt::Empty>(stt::Task.FromResult(expectedResponse), null, null, null, null));
            RecaptchaEnterpriseServiceV1Beta1Client client = new RecaptchaEnterpriseServiceV1Beta1ClientImpl(mockGrpcClient.Object, null);
            await client.DeleteKeyAsync(request, gaxgrpc::CallSettings.FromCancellationToken(st::CancellationToken.None));

            await client.DeleteKeyAsync(request, st::CancellationToken.None);

            mockGrpcClient.VerifyAll();
        }