added longer sleep in run_all_tests between run_bmv2 and run_drivers
added longer sleep in run_all_tests between run_bmv2 and run_drivers

USC-NSL/FlowRadar-P4,VPetyaa/p4factory,VPetyaa/p4factory,p4lang/p4factory,USC-NSL/FlowRadar-P4,VPetyaa/p4factory,USC-NSL/FlowRadar-P4,p4lang/p4factory,p4lang/p4factory,p4lang/p4factory,USC-NSL/FlowRadar-P4,VPetyaa/p4factory,p4lang/p4factory,USC-NSL/FlowRadar-P4,p4lang/p4factory,VPetyaa/p4factory,VPetyaa/p4factory,USC-NSL/FlowRadar-P4