That is not the way to go.... testing asynchronous code execution

gistfile1.coffee

    it 'should offer rideOffer to 2 taxis (see the Mock above)', (done) ->
        client1 = io.connect socketUrl, options
        taxi1 = io.connect socketUrl, options
        taxi2 = io.connect socketUrl, options

        async.parallel([
            (fn) ->
                taxi1.emit('locationUpdate', {locationUpdate:{taxiId:1}})
                fn()
            ,
            (fn) ->
                taxi2.emit('locationUpdate', {locationUpdate:{taxiId:2}})
                fn()
        ], ->
            async.parallel([
                (fn) -> taxi1.on('locationUpdated', -> fn() )
                ,
                (fn) -> taxi2.on('locationUpdated', -> fn() )
            ], ->
                client1.emit 'rideRequest', rideRequest
                async.parallel([
                    (fn) -> taxi1.on('rideOffer', -> fn() )
                    ,
                    (fn) -> taxi2.on('rideOffer', -> fn() )
                ], ->
                    taxisReceivedOffer = true
                    done()
                )
            )
        )