public void TestIndicesInColumn(int column, int[] expectedIndices)
{
List <int> actualIndicesInColumn = GridMath.GetIndicesInColumn(column);
actualIndicesInColumn.Should().NotBeEmpty()
.And.HaveCount(GridMath.CellsInColumn);
foreach (int expectedIndex in expectedIndices)
{
actualIndicesInColumn.Should().Contain(expectedIndex);
}
}