Create TEST isLeaf, isNotLeaf without Node::expand(int)'
change TEST createChild without Node::expand(int)
VehicleManger duplicate in testNode
rename TEST CASE
TEST selectChild use expand(vrp_problem*, VehicleManager)
TEST selecteChildWithMaxUcb use expand(vrp_problem *, VehicleManager)
TEST update use expand(vrp_probelm *vrp, VehicleManager)