     it 'should send some initials when started', (done) ->
       chai.expect(n.initials).not.to.be.empty
       cb = done
-      n.start()
+      n.start (err) ->
+        return done err if err
 
     it 'should contain two processes', ->
       chai.expect(n.processes).to.not.be.empty

        nw.loader.components.Cb = -> cb
        nw.connect (err) ->
          return done err if err
          nw.start()
      , true

    it 'should not send default values to nodes with an edge', (done) ->

        done()
      g.addInitial cb, 'Callback', 'callback'
      g.addInitial 'Baz', 'Repeat', 'in'
      n.start (err) ->
        return done err if err

    describe 'on stopping', ->
      it 'processes should be running before the stop call', ->
