public void Test_UniformGrid_GetFreeSpots_Basic()
{
var testRef = new TakenSpotsReferenceHolder(new bool[4, 5]
{
{ false, true, false, true, false },
{ false, true, true, true, false },
{ false, true, false, true, false },
{ false, false, true, false, false },
});
var results = UniformGrid.GetFreeSpot(testRef, 0, false).ToArray();
var expected = new (int row, int column)[]
