The current functionality is after the Test completion in LRE, all the elastic LGs are shut down "automatically". If there is a need to run the next round of test immediately, we have to wait 12 to 15 minutes for the LGs to get provisioned with high chances of the same number of LGs unavailable to run the next round of test and eventually test run failure. There is a lot of time consumed and wasted to repeat the process when we are in middle of critical issues. We should be able to reuse the same LGs when we have to run tests consecutively.
Once we have completed our testing, there should be a way from LRE to shut down all the Load Generators after we have concluded our testing.