public void TestMediumPlayfieldGetCellMethodShouldProperlyReturnSymbol()
        {
            var playfield = new MediumPlayfield();
            var rng = new RandomNumberGenerator();
            playfield.FillPlayfield(rng);

            playfield.SetCell(0, 0, "@");
            string actual = playfield.GetCell(0, 0);
            string expected = "@";

            Assert.AreEqual(expected, actual, "At position 0,0 the symbol should be @");
        }
        public void TestMediumPlayfieldSetCellMethodUsingIPositionShouldProperlySetSymbolInGridAndGetMethodShouldReturnIt()
        {
            var playfield = new MediumPlayfield();
            IPosition position = new Position(0, 0);

            var rng = new RandomNumberGenerator();
            playfield.FillPlayfield(rng);

            playfield.SetCell(position.Row, position.Col, "@");
            string actual = playfield.GetCell(position.Row, position.Col);
            string expected = "@";

            Assert.AreEqual(expected, actual, "At position 0,0 the symbol should be @");
        }