@Test
public void testOpenNeighborsOnOpenEmptyField() {

    Game game = new Game(3, 3, 1, new TestBoardMiner(new boolean[][]{
            {true, false, false}, {false, false, false},
            {false, false, false}}));
    openAt(2, 0, game);
    assertEquals(8, game.getBoard().getOpenCount());
}