public void Should_return_false_ColumnCheck() { List <List <int> > board = new List <List <int> >() { new List <int>() { 9 }, new List <int>() { 9 }, new List <int>() { 3 }, new List <int>() { 5 }, new List <int>() { 4 }, new List <int>() { 6 }, new List <int>() { 7 }, new List <int>() { 1 }, new List <int>() { 2 } }; Assert.AreEqual(false, BoardService.ColumnCheck(board, 0)); }