public void command_with_rows_should_return_first_row_with_FirstOrDefault()
        {
            var table = new FakeTable(new[] { "Id" }, new[] { new object[] { "10" } });
            var cmd   = new FakeCommand(table);

            cmd.CommandText = "MustBespecifiedForFakeCmd";

            var actual = cmd.FirstOrDefault(new TentityMapper());

            actual.Id.Should().Be("10");
        }