Adding unit test for all non-streaming vtgate methods.
Adding unit test for all non-streaming vtgate methods.

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