public void GenerateTest()
        {
            var solver    = new ClassicSudokuSolver(EClassicSudokuType.Classic9x9);
            var generator = new ClassicSudokuGenerator(solver);
            var level     = new SudokuLevel(ESudokuLevel.Medium);
            var data      = generator.Generate(level);
            var resultOfSolvingGeneratedSudoku = solver.Solve(data.Data);

            Assert.IsTrue(resultOfSolvingGeneratedSudoku.HasUniqueSolution);
        }