Node orm "callback never fired" test case

gistfile1.js

var orm = require('orm');
var db = orm.connect({
    database: 'test',
	protocol: 'mysql',
	host: '127.0.0.1',
	user: 'root',
	password: null
});
var pos_cursor = 0;

var Data = db.define( 'Data', {
	title: String,
	artist: String,
	album: String
});

var Item = db.define( 'item', {
	poster: String,
	updated_at: Date
}, {
	autoFetch: true,
	hooks: {
		beforeSave: function( next ){
			this.updated_at = new Date;
			next();
		}
	}
});

var Playlist = db.define( 'playlist', {
	title: String
});

Playlist.hasMany( 'items', Item, {
	position: Number
}, {
	reverse: 'playlists'
});

Item.hasOne( 'data', Data );

db.drop( function(){
	db.sync( function( err ){
		if( err ) console.log( 'Error syncing db', err );

		Playlist.create({
			title: 'Tunes'
		}, function( err, playlist ){
			if( err ) console.log( 'Error creating playlist', err );

			Data.create({
				title: 'Gotta Knock a Little Harder',
				artist: 'Mai Yamane',
				album: 'Cowboy Bebop - Tank! THE! BEST!'
			}, function( err, data ){
				if( err ) console.log( 'Error creating item data', err );
				Item.create({
					poster: 'Joe'
				}, function( err, item1 ){
					if( err ) console.log( 'Error creating first item', err );
					item1.setData( data, function( err ){
						if( err ) console.log( 'Error creating first item association', err );

				Item.create({
					poster: 'Joe'
				}, function( err, item2 ){
					if( err ) console.log( 'Error creating second item', err );
					item2.setData( data, function( err ){
						if( err ) console.log( 'Error creating second item association', err );

				Item.create({
					poster: 'Joe'
				}, function( err, item3 ){
					if( err ) console.log( 'Error creating third item', err );
					item3.setData( data, function( err ){
						if( err ) console.log( 'Error creating third item association', err );

						playlist.addItems( item1, { position: pos_cursor++ }, function( err ){
						playlist.addItems( item2, { position: pos_cursor++ }, function( err ){
						playlist.addItems( item3, { position: pos_cursor++ }, function( err ){
							if( err ) console.log( 'Error associating items with playlist', err );

							playlist.getItems().find({
								position: 0
							}).run( function( err, items ){
								if( err ) console.log( 'Error getting associated item by id', err );
								var item_to_remove = items[0];
								playlist.removeItems( item_to_remove, function( err ){
									if( err ) console.log( 'Error removing item', err );

									playlist.getItems().find({
										position: orm.gt( item_to_remove.extra.position )
									}).each( function( item ){
										item.extra.position = item.extra.position - 1;
									}).save( function( err ){
										if( err ) console.log( 'Error saving each item in the playlist', err );
										else console.log('\\o/');
									});
								});
							});
						});
						});
						});
						
					});
				});

					});
				});

					});
				});


			});

		});
	});
});