//frame 1 start
//TestOne class init
//TestOne.as start
//TestTwo class init
//TestTwo.as start
//TestOne constructor
//TestTwo.as end
//TestTwo constructor
//TestOne.as end
//TestOne constructor
//frame 1: TestOne created
//TestThree class init
//TestThree.as start/end
//TestThree constructor
//frame 1: TestThree created
//TestTwo constructor
//frame 1: TestTwo created, frame end