@Test
 public void testFirstTile() {
   Tile t = Tile.getInitialTile();
   assertEquals(null, t.getNorthTerrain());
   assertEquals(ROAD, t.getEastTerrain());
   assertEquals(null, t.getSouthTerrain());
   assertEquals(ROAD, t.getWestTerrain());
   assertEquals(CASTLE, t.getNETerrain());
   assertEquals(CASTLE, t.getNWTerrain());
   assertEquals(FARM, t.getWNTerrain());
   assertEquals(FARM, t.getWSTerrain());
   assertEquals(FARM, t.getSWTerrain());
   assertEquals(FARM, t.getSETerrain());
   assertEquals(FARM, t.getESTerrain());
   assertEquals(FARM, t.getENTerrain());
 }
 @Test
 public void testTile() {
   Tile t = new Tile("nrnrrccffffffn");
   assertEquals(null, t.getNorthTerrain());
   assertEquals(ROAD, t.getEastTerrain());
   assertEquals(null, t.getSouthTerrain());
   assertEquals(ROAD, t.getWestTerrain());
   assertEquals(CASTLE, t.getNETerrain());
   assertEquals(CASTLE, t.getNWTerrain());
   assertEquals(FARM, t.getWNTerrain());
   assertEquals(FARM, t.getWSTerrain());
   assertEquals(FARM, t.getSWTerrain());
   assertEquals(FARM, t.getSETerrain());
   assertEquals(FARM, t.getESTerrain());
   assertEquals(FARM, t.getENTerrain());
 }