public void modify_increments_with_cell_results()
        {
            var result = new StepResult("foo", ResultStatus.ok)
            {
                cells = new[]
                {
                    CellResult.Error("a", "bad!"),
                    CellResult.Error("b", "worse!"),
                    CellResult.Success("c"),
                    CellResult.Failure("d", "different"),
                    CellResult.Failure("e", "different"),
                    CellResult.Failure("f", "different"),
                }
            };

            var counts = new Counts();

            result.Tabulate(counts);

            counts.ShouldEqual(1, 3, 2, 0);
        }