public boolean tearDown() {
    /*
    List<MultiverseWorld> worlds = new ArrayList<MultiverseWorld>(core.getMVWorldManager()
            .getMVWorlds());
    for (MultiverseWorld world : worlds) {
        core.getMVWorldManager().deleteWorld(world.getName());
    }
    */

    Server maybeNullServer = getServer();
    PluginManager maybeNullPluginManager = maybeNullServer.getPluginManager();
    Plugin plugin = maybeNullPluginManager.getPlugin("Multiverse-Inventories");
    // Plugin plugin = getServer().getPluginManager().getPlugin("Multiverse-Inventories");
    MultiverseInventories inventories = (MultiverseInventories) plugin;
    inventories.onDisable();

    MockWorldFactory.clearWorlds();

    plugin = getServer().getPluginManager().getPlugin("Multiverse-Core");
    MultiverseCore core = (MultiverseCore) plugin;
    core.onDisable();

    try {
      Field serverField = Bukkit.class.getDeclaredField("server");
      serverField.setAccessible(true);
      serverField.set(Class.forName("org.bukkit.Bukkit"), null);
    } catch (Exception e) {
      Util.log(
          Level.SEVERE,
          "Error while trying to unregister the server from Bukkit. Has Bukkit changed?");
      e.printStackTrace();
      Assert.fail(e.getMessage());
      return false;
    }

    return true;
  }
  public boolean setUp() {
    try {
      FileUtils.deleteFolder(invDirectory);
      FileUtils.deleteFolder(serverDirectory);
      invDirectory.mkdirs();
      Assert.assertTrue(invDirectory.exists());

      MockGateway.MOCK_STANDARD_METHODS = false;

      plugin = PowerMockito.spy(new MultiverseInventories());
      core = PowerMockito.spy(new MultiverseCore());

      // Let's let all MV files go to bin/test
      doReturn(invDirectory).when(plugin).getDataFolder();
      // Let's let all MV files go to bin/test
      doReturn(coreDirectory).when(core).getDataFolder();

      // Return a fake PDF file.
      PluginDescriptionFile pdf =
          PowerMockito.spy(
              new PluginDescriptionFile(
                  "Multiverse-Inventories",
                  "2.4-test",
                  "com.onarandombox.multiverseinventories.MultiverseInventories"));
      when(pdf.getAuthors()).thenReturn(new ArrayList<String>());
      doReturn(pdf).when(plugin).getDescription();
      doReturn(core).when(plugin).getCore();
      doReturn(true).when(plugin).isEnabled();
      PluginDescriptionFile pdfCore =
          PowerMockito.spy(
              new PluginDescriptionFile(
                  "Multiverse-Core", "2.2-Test", "com.onarandombox.MultiverseCore.MultiverseCore"));
      when(pdfCore.getAuthors()).thenReturn(new ArrayList<String>());
      doReturn(pdfCore).when(core).getDescription();
      doReturn(true).when(core).isEnabled();
      plugin.setServerFolder(serverDirectory);

      // Add Core to the list of loaded plugins
      JavaPlugin[] plugins = new JavaPlugin[] {plugin, core};

      // Mock the Plugin Manager
      PluginManager mockPluginManager = PowerMockito.mock(PluginManager.class);
      when(mockPluginManager.getPlugins()).thenReturn(plugins);
      when(mockPluginManager.getPlugin("Multiverse-Inventories")).thenReturn(plugin);
      when(mockPluginManager.getPlugin("Multiverse-Core")).thenReturn(core);
      when(mockPluginManager.getPermission(anyString())).thenReturn(null);

      // Make some fake folders to fool the fake MV into thinking these worlds exist
      File worldNormalFile = new File(plugin.getServerFolder(), "world");
      Util.log("Creating world-folder: " + worldNormalFile.getAbsolutePath());
      worldNormalFile.mkdirs();
      MockWorldFactory.makeNewMockWorld("world", Environment.NORMAL, WorldType.NORMAL);
      File worldNetherFile = new File(plugin.getServerFolder(), "world_nether");
      Util.log("Creating world-folder: " + worldNetherFile.getAbsolutePath());
      worldNetherFile.mkdirs();
      MockWorldFactory.makeNewMockWorld("world_nether", Environment.NETHER, WorldType.NORMAL);
      File worldSkylandsFile = new File(plugin.getServerFolder(), "world_the_end");
      Util.log("Creating world-folder: " + worldSkylandsFile.getAbsolutePath());
      worldSkylandsFile.mkdirs();
      MockWorldFactory.makeNewMockWorld("world_the_end", Environment.THE_END, WorldType.NORMAL);
      File world2File = new File(plugin.getServerFolder(), "world2");
      Util.log("Creating world-folder: " + world2File.getAbsolutePath());
      world2File.mkdirs();
      MockWorldFactory.makeNewMockWorld("world2", Environment.NORMAL, WorldType.NORMAL);

      // Initialize the Mock server.
      mockServer = mock(Server.class);
      when(mockServer.getName()).thenReturn("TestBukkit");
      Logger.getLogger("Minecraft").setParent(Util.logger);
      when(mockServer.getLogger()).thenReturn(Util.logger);
      when(mockServer.getWorldContainer()).thenReturn(worldsDirectory);
      when(plugin.getServer()).thenReturn(mockServer);
      when(core.getServer()).thenReturn(mockServer);
      when(mockServer.getPluginManager()).thenReturn(mockPluginManager);
      Answer<Player> playerAnswer =
          new Answer<Player>() {
            public Player answer(InvocationOnMock invocation) throws Throwable {
              String arg;
              try {
                arg = (String) invocation.getArguments()[0];
              } catch (Exception e) {
                return null;
              }
              Player player = players.get(arg);
              if (player == null) {
                player = new MockPlayer(arg, mockServer);
                players.put(arg, player);
              }
              return player;
            }
          };
      when(mockServer.getPlayer(anyString())).thenAnswer(playerAnswer);
      when(mockServer.getOfflinePlayer(anyString())).thenAnswer(playerAnswer);
      when(mockServer.getOfflinePlayers())
          .thenAnswer(
              new Answer<OfflinePlayer[]>() {
                public OfflinePlayer[] answer(InvocationOnMock invocation) throws Throwable {
                  return players.values().toArray(new Player[players.values().size()]);
                }
              });
      when(mockServer.getOnlinePlayers())
          .thenAnswer(
              new Answer<Player[]>() {
                public Player[] answer(InvocationOnMock invocation) throws Throwable {
                  return players.values().toArray(new Player[players.values().size()]);
                }
              });

      // Give the server some worlds
      when(mockServer.getWorld(anyString()))
          .thenAnswer(
              new Answer<World>() {
                public World answer(InvocationOnMock invocation) throws Throwable {
                  String arg;
                  try {
                    arg = (String) invocation.getArguments()[0];
                  } catch (Exception e) {
                    return null;
                  }
                  return MockWorldFactory.getWorld(arg);
                }
              });

      when(mockServer.getWorld(any(UUID.class)))
          .thenAnswer(
              new Answer<World>() {
                @Override
                public World answer(InvocationOnMock invocation) throws Throwable {
                  UUID arg;
                  try {
                    arg = (UUID) invocation.getArguments()[0];
                  } catch (Exception e) {
                    return null;
                  }
                  return MockWorldFactory.getWorld(arg);
                }
              });

      when(mockServer.getWorlds())
          .thenAnswer(
              new Answer<List<World>>() {
                public List<World> answer(InvocationOnMock invocation) throws Throwable {
                  return MockWorldFactory.getWorlds();
                }
              });

      when(mockServer.createWorld(Matchers.isA(WorldCreator.class)))
          .thenAnswer(
              new Answer<World>() {
                public World answer(InvocationOnMock invocation) throws Throwable {
                  WorldCreator arg;
                  try {
                    arg = (WorldCreator) invocation.getArguments()[0];
                  } catch (Exception e) {
                    return null;
                  }
                  // Add special case for creating null worlds.
                  // Not sure I like doing it this way, but this is a special case
                  if (arg.name().equalsIgnoreCase("nullworld")) {
                    return MockWorldFactory.makeNewNullMockWorld(
                        arg.name(), arg.environment(), arg.type());
                  }
                  return MockWorldFactory.makeNewMockWorld(
                      arg.name(), arg.environment(), arg.type());
                }
              });

      when(mockServer.unloadWorld(anyString(), anyBoolean())).thenReturn(true);

      // add mock scheduler
      BukkitScheduler mockScheduler = mock(BukkitScheduler.class);
      when(mockScheduler.scheduleSyncDelayedTask(any(Plugin.class), any(Runnable.class), anyLong()))
          .thenAnswer(
              new Answer<Integer>() {
                public Integer answer(InvocationOnMock invocation) throws Throwable {
                  Runnable arg;
                  try {
                    arg = (Runnable) invocation.getArguments()[1];
                  } catch (Exception e) {
                    return null;
                  }
                  arg.run();
                  return null;
                }
              });
      when(mockScheduler.scheduleSyncDelayedTask(any(Plugin.class), any(Runnable.class)))
          .thenAnswer(
              new Answer<Integer>() {
                public Integer answer(InvocationOnMock invocation) throws Throwable {
                  Runnable arg;
                  try {
                    arg = (Runnable) invocation.getArguments()[1];
                  } catch (Exception e) {
                    return null;
                  }
                  arg.run();
                  return null;
                }
              });
      when(mockServer.getScheduler()).thenReturn(mockScheduler);

      // Set InventoriesListener
      InventoriesListener il = PowerMockito.spy(new InventoriesListener(plugin));
      Field inventoriesListenerField =
          MultiverseInventories.class.getDeclaredField("inventoriesListener");
      inventoriesListenerField.setAccessible(true);
      inventoriesListenerField.set(plugin, il);

      // Set Core
      Field coreField = MultiverseInventories.class.getDeclaredField("core");
      coreField.setAccessible(true);
      coreField.set(plugin, core);

      // Set server
      Field serverfield = JavaPlugin.class.getDeclaredField("server");
      serverfield.setAccessible(true);
      serverfield.set(plugin, mockServer);

      // Set worldManager
      WorldManager wm = PowerMockito.spy(new WorldManager(core));
      Field worldmanagerfield = MultiverseCore.class.getDeclaredField("worldManager");
      worldmanagerfield.setAccessible(true);
      worldmanagerfield.set(core, wm);

      // Set playerListener
      MVPlayerListener pl = PowerMockito.spy(new MVPlayerListener(core));
      Field playerlistenerfield = MultiverseCore.class.getDeclaredField("playerListener");
      playerlistenerfield.setAccessible(true);
      playerlistenerfield.set(core, pl);

      // Set entityListener
      MVEntityListener el = PowerMockito.spy(new MVEntityListener(core));
      Field entitylistenerfield = MultiverseCore.class.getDeclaredField("entityListener");
      entitylistenerfield.setAccessible(true);
      entitylistenerfield.set(core, el);

      // Set weatherListener
      MVWeatherListener wl = PowerMockito.spy(new MVWeatherListener(core));
      Field weatherlistenerfield = MultiverseCore.class.getDeclaredField("weatherListener");
      weatherlistenerfield.setAccessible(true);
      weatherlistenerfield.set(core, wl);

      // Init our command sender
      final Logger commandSenderLogger = Logger.getLogger("CommandSender");
      commandSenderLogger.setParent(Util.logger);
      commandSender = mock(CommandSender.class);
      doAnswer(
              new Answer<Void>() {
                public Void answer(InvocationOnMock invocation) throws Throwable {
                  commandSenderLogger.info(
                      ChatColor.stripColor((String) invocation.getArguments()[0]));
                  return null;
                }
              })
          .when(commandSender)
          .sendMessage(anyString());
      when(commandSender.getServer()).thenReturn(mockServer);
      when(commandSender.getName()).thenReturn("MockCommandSender");
      when(commandSender.isPermissionSet(anyString())).thenReturn(true);
      when(commandSender.isPermissionSet(Matchers.isA(Permission.class))).thenReturn(true);
      when(commandSender.hasPermission(anyString())).thenReturn(true);
      when(commandSender.hasPermission(Matchers.isA(Permission.class))).thenReturn(true);
      when(commandSender.addAttachment(plugin)).thenReturn(null);
      when(commandSender.isOp()).thenReturn(true);

      Bukkit.setServer(mockServer);

      // Load Multiverse Core
      core.onLoad();
      plugin.onLoad();

      // Enable it.
      core.onEnable();
      plugin.onEnable();

      return true;
    } catch (Exception e) {
      e.printStackTrace();
    }

    return false;
  }