public void Partial_ReturnsExpectedString()
            {
                WordSudoku sudoku = new WordSudoku("shoe")
                {
                    Grid =
                    {
                        [0] = "0123",
                        [1] = "3012",
                        [2] = "2301",
                        [3] = "1230"
                    }
                };

                sudoku.RefreshPartialGrid();


                sudoku.PartialGrid[0] = "____";
                sudoku.PartialGrid[1] = "3_1_";
                sudoku.PartialGrid[2] = "__01";
                sudoku.PartialGrid[3] = "_23_";

                const string EXPECTED_TEXT =
                    @"           
E	    H	 
        S	H
    O	E	 
";

                Assert.AreEqual(EXPECTED_TEXT, sudoku.FormatForGoogle());
            }
            public void Full_ReturnsExpectedString()
            {
                WordSudoku sudoku = new WordSudoku("shoe")
                {
                    Grid =
                    {
                        [0] = "0123",
                        [1] = "3012",
                        [2] = "2301",
                        [3] = "1230"
                    }
                };

                const string EXPECTED_TEXT =
                    @"S	H	O	E
E	S	H	O
O	E	S	H
H	O	E	S
";

                Assert.AreEqual(EXPECTED_TEXT, sudoku.FormatForGoogle(false));
            }