import 'package:flutter_test/flutter_test.dart'; import 'package:my_flutter_puzzle/utils/puzzle_solver.dart'; void main() { test('solver logic test', () { final solver = PuzzleSolverClient(size: 4); final board = solver.createRandomBoard(); final boardStates = solver.runner(board); if (boardStates != null) { for (var board in boardStates) { print(board); } } }); }