       dummy.live()
 
       expect(dummy.state).toEqual('life')
+      expect(dummy.live()).toBeTruthy()
       expect(dummy.talk()).toEqual('I am alive')
       expect(dummy.age).toEqual(20)
 

        dummy.disappear()

        expect(dummy.state).toEqual('void')
        expect(dummy.talk).toBeUndefined()
        expect(dummy.age).toBeUndefined()



  it 'initialize the instance in the initial state', ->
    expect(dummy.state).toEqual('birth')
    expect(dummy.birth()).toBeTruthy()
    expect(dummy.talk()).toEqual('...waaahahaahaAAHAAAHAAA')
    expect(dummy.age).toEqual(0)

