public void MutateRow1()
        {
            moq::Mock <Bigtable.BigtableClient> mockGrpcClient = new moq::Mock <Bigtable.BigtableClient>(moq::MockBehavior.Strict);
            MutateRowRequest request = new MutateRowRequest
            {
                TableNameAsTableName = TableName.FromProjectInstanceTable("[PROJECT]", "[INSTANCE]", "[TABLE]"),
                RowKey    = proto::ByteString.CopyFromUtf8("row_key7adfb7cb"),
                Mutations = { new Mutation(), },
            };
            MutateRowResponse expectedResponse = new MutateRowResponse {
            };

            mockGrpcClient.Setup(x => x.MutateRow(request, moq::It.IsAny <grpccore::CallOptions>())).Returns(expectedResponse);
            BigtableClient    client   = new BigtableClientImpl(mockGrpcClient.Object, null);
            MutateRowResponse response = client.MutateRow(request.TableName, request.RowKey, request.Mutations);

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