public String toString() {
    return MirrorHandler.handle("toString", this);
  }

  public String toString() {
    return MirrorHandler.handle("toString", this);
  }

do {
    try {
        Runnable runnable = asyncQueue.take();
        runnable.run();
    } catch (InterruptedException e) {
         Thread.currentThread().interrupt();
    } catch (Exception e) {
         Stargate.log(e);
    }
} while (asyncQueueThreadIsEnabled || !asyncQueue.isEmpty());

do {
    try {
        Runnable runnable = asyncQueue.take();
        runnable.run();
    } catch (InterruptedException e) {
         Thread.currentThread().interrupt();
    } catch (Exception e) {
         Stargate.log(e);
    }
} while (asyncQueueThreadIsEnabled || !asyncQueue.isEmpty());

    @Test
    void portalInvalidBlockPlaceTest() {
        Location bottomLeft = new Location(world, 0, 7, 0);
        Location insidePortal = new Location(world, 0, 9, 0);
        Block signBlock = PortalBlockGenerator.generatePortal(bottomLeft);
        Block irisBlock = new Location(world, 1, 9, 0).getBlock();


        ((Directional) signBlock.getBlockData()).setFacing(BlockFace.SOUTH);
        blockEventListener
                .onSignChange(new SignChangeEvent(signBlock, player, new String[]{"test", "", CUSTOM_NETNAME, ""}));

        BlockPlaceEvent event = new BlockPlaceEvent(irisBlock, irisBlock.getState(), irisBlock,
                new ItemStack(Material.ANDESITE), player, false);
        blockEventListener.onBlockPlace(event);
        blockEventListener.onBlockBreak(new BlockBreakEvent(insidePortal.getBlock(), player));
        Assertions.assertTrue(event.isCancelled());
    }

    @Test
    void portalInvalidBlockPlaceTest() {
        Location bottomLeft = new Location(world, 0, 7, 0);
        Location insidePortal = new Location(world, 0, 9, 0);
        Block signBlock = PortalBlockGenerator.generatePortal(bottomLeft);
        Block irisBlock = new Location(world, 1, 9, 0).getBlock();


        ((Directional) signBlock.getBlockData()).setFacing(BlockFace.SOUTH);
        blockEventListener
                .onSignChange(new SignChangeEvent(signBlock, player, new String[]{"test", "", CUSTOM_NETNAME, ""}));

        BlockPlaceEvent event = new BlockPlaceEvent(irisBlock, irisBlock.getState(), irisBlock,
                new ItemStack(Material.ANDESITE), player, false);
        blockEventListener.onBlockPlace(event);
        blockEventListener.onBlockBreak(new BlockBreakEvent(insidePortal.getBlock(), player));
        Assertions.assertTrue(event.isCancelled());
    }