Performance tests improvement - refactor the client code and add verification as well
Comments: partially done. client code is in a better shape now. I haven't touched client code for web API and other base lines as there are too many tplans to modify. will add verification in a different check in.
Comments: partially done. client code is in a better shape now. I haven't touched client code for web API and other base lines as there are too many tplans to modify. will add verification in a different check in.