Added unitary testing to check the children order
Added unitary testing to check the children order

cedricpinson/osgjs,gideonmay/osgjs,jtorresfabra/osgjs,jmirabel/osgjs,gideonmay/osgjs,gideonmay/osgjs,jtorresfabra/osgjs,kkuunnddaannkk/osgjs,hishamabdelrahman/osgjs,kkuunnddaannkk/osgjs,jmirabel/osgjs,hishamabdelrahman/osgjs,jtorresfabra/osgjs,hishamabdelrahman/osgjs,jmirabel/osgjs,cedricpinson/osgjs,kkuunnddaannkk/osgjs,cedricpinson/osgjs