public void ReturnTwoCoordinatesAfterClickCellsWithDifferentValue()
        {
            core = new FindPairsCore(4);

            (int x, int y)firstCoordinate  = (0, 0);
            (int x, int y)secondCoordinate = (0, 0);

            for (var i = 1; i < core.CellsValue.GetLength(0); i++)
            {
                for (var q = 0; q < core.CellsValue.GetLength(1); q++)
                {
                    if (core.CellsValue[i, q] != core.CellsValue[0, 0])
                    {
                        secondCoordinate = (i, q);
                    }
                }
            }

            core.ChangeCellsVisibleOnClick(firstCoordinate);
            core.ChangeCellsVisibleOnClick(secondCoordinate).Should().BeEquivalentTo(firstCoordinate, secondCoordinate);
        }
        public void CorrectInitializeFieldAfterCreation()
        {
            core = new FindPairsCore(2);

            core.CellsValue.Should().BeEquivalentTo(new [] { 0, 0, 1, 1 });
        }