@Test
  public void createARealField2() throws Exception {
    MinesweeperField field = new MinesweeperField(3, 3);
    field.mine(0, 0).mine(1, 0);

    assertArrayEquals("Bad result", new String[] {"*20", "*20", "110"}, field.getResult());
  }
  @Test
  public void createA1x1Field() throws Exception {
    MinesweeperField field = new MinesweeperField(1, 1);

    assertArrayEquals("No mines in fresh field", new String[] {"0"}, field.getResult());
  }