queryservice_test: more optimizations
queryservice_test: more optimizations

Most of the delays were due to generous wait (100ms) for curl to record
its output. The tests actually work fine even with a 10ms wait. I've
doubled this to 20ms for good measure. The test now runs in 23s.

mahak/vitess,netroby/vitess,davygeek/vitess,nurblieh/vitess,ptomasroos/vitess,applift/vitess,HubSpot/vitess,ptomasroos/vitess,guokeno0/vitess,ptomasroos/vitess,erzel/vitess,kuipertan/vitess,vitessio/vitess,applift/vitess,xgwubin/vitess,AndyDiamondstein/vitess,cgvarela/vitess,mapbased/vitess,tinyspeck/vitess,skyportsystems/vitess,anusornc/vitess,netroby/vitess,mlc0202/vitess,cloudbearings/vitess,anusornc/vitess,erzel/vitess,mlc0202/vitess,tirsen/vitess,erzel/vitess,xgwubin/vitess,kuipertan/vitess,mattharden/vitess,guokeno0/vitess,fengshao0907/vitess,tinyspeck/vitess,yangzhongj/vitess,mattharden/vitess,applift/vitess,tjyang/vitess,davygeek/vitess,nurblieh/vitess,davygeek/vitess,rnavarro/vitess,fengshao0907/vitess,yaoshengzhe/vitess,michael-berlin/vitess,rnavarro/vitess,netroby/vitess,mattharden/vitess,yangzhongj/vitess,davygeek/vitess,dumbunny/vitess,ptomasroos/vitess,vitessio/vitess,AndyDiamondstein/vitess,mlc0202/vitess,aaijazi/vitess,tjyang/vitess,kmiku7/vitess-annotated,aaijazi/vitess,enisoc/vitess,tinyspeck/vitess,tjyang/vitess,tinyspeck/vitess,davygeek/vitess,tinyspeck/vitess,xgwubin/vitess,mahak/vitess,HubSpot/vitess,kuipertan/vitess,mapbased/vitess,SDHM/vitess,tjyang/vitess,erzel/vitess,yaoshengzhe/vitess,pivanof/vitess,pivanof/vitess,rnavarro/vitess,yaoshengzhe/vitess,mattharden/vitess,skyportsystems/vitess,SDHM/vitess,ngaut/vitess,kuipertan/vitess,atyenoria/vitess,kmiku7/vitess-annotated,dumbunny/vitess,dcadevil/vitess,yaoshengzhe/vitess,aaijazi/vitess,guokeno0/vitess,netroby/vitess,HubSpot/vitess,mlc0202/vitess,ptomasroos/vitess,aaijazi/vitess,enisoc/vitess,HubSpot/vitess,rnavarro/vitess,enisoc/vitess,xgwubin/vitess,mattharden/vitess,mahak/vitess,mapbased/vitess,kuipertan/vitess,kuipertan/vitess,dumbunny/vitess,fengshao0907/vitess,applift/vitess,tjyang/vitess,skyportsystems/vitess,SDHM/vitess,yaoshengzhe/vitess,dcadevil/vitess,mattharden/vitess,vitessio/vitess,xgwubin/vitess,guokeno0/vitess,vitessio/vitess,SDHM/vitess,michael-berlin/vitess,xgwubin/vitess,nurblieh/vitess,applift/vitess,atyenoria/vitess,pivanof/vitess,HubSpot/vitess,alainjobart/vitess,mapbased/vitess,enisoc/vitess,mlc0202/vitess,nurblieh/vitess,enisoc/vitess,tinyspeck/vitess,mattharden/vitess,mahak/vitess,anusornc/vitess,cloudbearings/vitess,yangzhongj/vitess,SDHM/vitess,atyenoria/vitess,alainjobart/vitess,kmiku7/vitess-annotated,AndyDiamondstein/vitess,atyenoria/vitess,cloudbearings/vitess,michael-berlin/vitess,cloudbearings/vitess,davygeek/vitess,guokeno0/vitess,atyenoria/vitess,netroby/vitess,tirsen/vitess,dumbunny/vitess,fengshao0907/vitess,nurblieh/vitess,guokeno0/vitess,cgvarela/vitess,yangzhongj/vitess,mapbased/vitess,mahak/vitess,enisoc/vitess,yangzhongj/vitess,dumbunny/vitess,atyenoria/vitess,anusornc/vitess,netroby/vitess,ptomasroos/vitess,mlc0202/vitess,AndyDiamondstein/vitess,apmichaud/vitess-apm,tjyang/vitess,anusornc/vitess,applift/vitess,ngaut/vitess,kmiku7/vitess-annotated,apmichaud/vitess-apm,applift/vitess,tirsen/vitess,apmichaud/vitess-apm,kmiku7/vitess-annotated,aaijazi/vitess,dumbunny/vitess,tinyspeck/vitess,mattharden/vitess,mahak/vitess,kmiku7/vitess-annotated,vitessio/vitess,skyportsystems/vitess,rnavarro/vitess,cgvarela/vitess,tirsen/vitess,fengshao0907/vitess,vitessio/vitess,nurblieh/vitess,aaijazi/vitess,cgvarela/vitess,alainjobart/vitess,vitessio/vitess,kuipertan/vitess,michael-berlin/vitess,rnavarro/vitess,erzel/vitess,skyportsystems/vitess,michael-berlin/vitess,sougou/vitess,enisoc/vitess,yaoshengzhe/vitess,yaoshengzhe/vitess,tirsen/vitess,nurblieh/vitess,tirsen/vitess,ngaut/vitess,kmiku7/vitess-annotated,sougou/vitess,alainjobart/vitess,ptomasroos/vitess,erzel/vitess,kmiku7/vitess-annotated,mapbased/vitess,pivanof/vitess,AndyDiamondstein/vitess,fengshao0907/vitess,rnavarro/vitess,vitessio/vitess,sougou/vitess,HubSpot/vitess,pivanof/vitess,atyenoria/vitess,xgwubin/vitess,cgvarela/vitess,AndyDiamondstein/vitess,skyportsystems/vitess,sougou/vitess,mapbased/vitess,yangzhongj/vitess,fengshao0907/vitess,yangzhongj/vitess,mapbased/vitess,guokeno0/vitess,mahak/vitess,mlc0202/vitess,kuipertan/vitess,xgwubin/vitess,atyenoria/vitess,cloudbearings/vitess,aaijazi/vitess,xgwubin/vitess,ngaut/vitess,davygeek/vitess,tjyang/vitess,mattharden/vitess,nurblieh/vitess,mahak/vitess,netroby/vitess,cgvarela/vitess,applift/vitess,michael-berlin/vitess,kuipertan/vitess,pivanof/vitess,anusornc/vitess,atyenoria/vitess,michael-berlin/vitess,anusornc/vitess,cgvarela/vitess,SDHM/vitess,cloudbearings/vitess,michael-berlin/vitess,SDHM/vitess,alainjobart/vitess,aaijazi/vitess,pivanof/vitess,netroby/vitess,erzel/vitess,anusornc/vitess,dumbunny/vitess,nurblieh/vitess,anusornc/vitess,AndyDiamondstein/vitess,dcadevil/vitess,SDHM/vitess,tirsen/vitess,tirsen/vitess,SDHM/vitess,aaijazi/vitess,dumbunny/vitess,tirsen/vitess,alainjobart/vitess,cgvarela/vitess,HubSpot/vitess,skyportsystems/vitess,dumbunny/vitess,dcadevil/vitess,cgvarela/vitess,sougou/vitess,rnavarro/vitess,michael-berlin/vitess,AndyDiamondstein/vitess,pivanof/vitess,yaoshengzhe/vi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