Add tests for template_parser.tokenize.
Add tests for template_parser.tokenize.

JPJPJPOPOP/zulip,grave-w-grave/zulip,dhcrzf/zulip,reyha/zulip,Jianchun1/zulip,calvinleenyc/zulip,jackrzhang/zulip,shubhamdhama/zulip,rht/zulip,Galexrt/zulip,dhcrzf/zulip,eeshangarg/zulip,grave-w-grave/zulip,paxapy/zulip,souravbadami/zulip,christi3k/zulip,Galexrt/zulip,krtkmj/zulip,brainwane/zulip,calvinleenyc/zulip,souravbadami/zulip,dawran6/zulip,j831/zulip,jphilipsen05/zulip,timabbott/zulip,kou/zulip,joyhchen/zulip,punchagan/zulip,synicalsyntax/zulip,j831/zulip,arpith/zulip,zacps/zulip,cosmicAsymmetry/zulip,ryanbackman/zulip,rht/zulip,showell/zulip,Jianchun1/zulip,samatdav/zulip,krtkmj/zulip,Galexrt/zulip,jainayush975/zulip,verma-varsha/zulip,sharmaeklavya2/zulip,jackrzhang/zulip,zacps/zulip,umkay/zulip,sup95/zulip,j831/zulip,mohsenSy/zulip,joyhchen/zulip,jphilipsen05/zulip,AZtheAsian/zulip,susansls/zulip,aakash-cr7/zulip,eeshangarg/zulip,dattatreya303/zulip,umkay/zulip,vabs22/zulip,jackrzhang/zulip,ahmadassaf/zulip,TigorC/zulip,Galexrt/zulip,jrowan/zulip,ahmadassaf/zulip,rht/zulip,mahim97/zulip,JPJPJPOPOP/zulip,Juanvulcano/zulip,joyhchen/zulip,hackerkid/zulip,aakash-cr7/zulip,KingxBanana/zulip,mahim97/zulip,hackerkid/zulip,ryanbackman/zulip,zacps/zulip,grave-w-grave/zulip,vaidap/zulip,vaidap/zulip,amanharitsh123/zulip,zulip/zulip,dawran6/zulip,jrowan/zulip,paxapy/zulip,reyha/zulip,KingxBanana/zulip,zulip/zulip,eeshangarg/zulip,shubhamdhama/zulip,Galexrt/zulip,jrowan/zulip,calvinleenyc/zulip,brainwane/zulip,zulip/zulip,TigorC/zulip,SmartPeople/zulip,sharmaeklavya2/zulip,mahim97/zulip,sharmaeklavya2/zulip,amanharitsh123/zulip,krtkmj/zulip,rishig/zulip,souravbadami/zulip,j831/zulip,blaze225/zulip,isht3/zulip,showell/zulip,aakash-cr7/zulip,hackerkid/zulip,sup95/zulip,niftynei/zulip,dhcrzf/zulip,KingxBanana/zulip,amanharitsh123/zulip,arpith/zulip,brockwhittaker/zulip,vikas-parashar/zulip,vikas-parashar/zulip,samatdav/zulip,hackerkid/zulip,jackrzhang/zulip,zulip/zulip,Diptanshu8/zulip,souravbadami/zulip,zulip/zulip,krtkmj/zulip,paxapy/zulip,mahim97/zulip,souravbadami/zulip,AZtheAsian/zulip,Juanvulcano/zulip,blaze225/zulip,verma-varsha/zulip,isht3/zulip,peguin40/zulip,Juanvulcano/zulip,dattatreya303/zulip,AZtheAsian/zulip,hackerkid/zulip,jainayush975/zulip,Diptanshu8/zulip,dhcrzf/zulip,vabs22/zulip,krtkmj/zulip,jrowan/zulip,jphilipsen05/zulip,reyha/zulip,showell/zulip,dhcrzf/zulip,souravbadami/zulip,sonali0901/zulip,sup95/zulip,SmartPeople/zulip,vikas-parashar/zulip,timabbott/zulip,peguin40/zulip,joyhchen/zulip,kou/zulip,j831/zulip,kou/zulip,sonali0901/zulip,Galexrt/zulip,rishig/zulip,brainwane/zulip,umkay/zulip,hackerkid/zulip,showell/zulip,sharmaeklavya2/zulip,sonali0901/zulip,dawran6/zulip,Diptanshu8/zulip,Jianchun1/zulip,krtkmj/zulip,jrowan/zulip,kou/zulip,grave-w-grave/zulip,aakash-cr7/zulip,showell/zulip,rht/zulip,tommyip/zulip,rishig/zulip,brockwhittaker/zulip,peguin40/zulip,dawran6/zulip,isht3/zulip,Jianchun1/zulip,vabs22/zulip,ryanbackman/zulip,sup95/zulip,amanharitsh123/zulip,samatdav/zulip,Juanvulcano/zulip,arpith/zulip,JPJPJPOPOP/zulip,tommyip/zulip,Juanvulcano/zulip,reyha/zulip,mahim97/zulip,tommyip/zulip,shubhamdhama/zulip,jphilipsen05/zulip,brainwane/zulip,dattatreya303/zulip,andersk/zulip,mohsenSy/zulip,calvinleenyc/zulip,mohsenSy/zulip,KingxBanana/zulip,dhcrzf/zulip,SmartPeople/zulip,JPJPJPOPOP/zulip,sup95/zulip,zacps/zulip,showell/zulip,rht/zulip,verma-varsha/zulip,jainayush975/zulip,Diptanshu8/zulip,vikas-parashar/zulip,ahmadassaf/zulip,TigorC/zulip,umkay/zulip,synicalsyntax/zulip,rishig/zulip,paxapy/zulip,jphilipsen05/zulip,susansls/zulip,j831/zulip,shubhamdhama/zulip,jainayush975/zulip,susansls/zulip,rishig/zulip,ryanbackman/zulip,tommyip/zulip,joyhchen/zulip,brainwane/zulip,christi3k/zulip,amyliu345/zulip,Jianchun1/zulip,JPJPJPOPOP/zulip,vikas-parashar/zulip,AZtheAsian/zulip,vaidap/zulip,dawran6/zulip,sharmaeklavya2/zulip,brainwane/zulip,timabbott/zulip,Jianchun1/zulip,shubhamdhama/zulip,amyliu345/zulip,ryanbackman/zulip,synicalsyntax/zulip,PhilSk/zulip,ahmadassaf/zulip,zacps/zulip,dattatreya303/zulip,samatdav/zulip,ryanbackman/zulip,PhilSk/zulip,cosmicAsymmetry/zulip,arpith/zulip,niftynei/zulip,jphilipsen05/zulip,PhilSk/zulip,tommyip/zulip,umkay/zulip,susansls/zulip,eeshangarg/zulip,jackrzhang/zulip,calvinleenyc/zulip,sonali0901/zulip,vaidap/zulip,verma-varsha/zulip,zulip/zulip,verma-varsha/zulip,KingxBanana/zulip,rht/zulip,eeshangarg/zulip,punchagan/zulip,grave-w-grave/zulip,blaze225/zulip,hackerkid/zulip,umkay/zulip,reyha/zulip,blaze225/zulip,paxapy/zulip,showell/zulip,PhilSk/zulip,aakash-cr7/zulip,andersk/zulip,peguin40/zulip,vikas-parashar/zulip,sonali0901/zulip,jackrzhang/zulip,brainwane/zulip,jrowan/zulip,kou/zulip,cosmicAsymmetry/zulip,reyha/zulip,niftynei/zulip,punchagan/zulip,mohsenSy/zulip,AZtheAsian/zulip,Diptanshu8/zulip,cosmicAsymmetry/zulip,isht3/zulip,zulip/zulip,susansls/zulip,synicalsyntax/zulip,niftynei/zulip,mohsenSy/zulip,dattatreya303/zulip,rishig/zulip,mahim97/zulip,andersk/zulip,isht3/zulip,andersk/zulip,amyliu345/zulip,vabs22/zulip,rishig/zulip,KingxBanana/zulip,SmartPeople/zulip,mohsenSy/zulip,timabbott/zulip,susansls/zulip,JPJPJPOPOP/zulip,Galexrt/zulip,brockwhittaker/zulip,PhilSk/zulip,brockwhittaker/zulip,grave-w-grave/zulip,AZtheAsian/zulip,arpith/zulip,amanharitsh123/zulip,cosmicAsymmetry/zulip,kou/zulip,dawran6/zulip,eeshangarg/zulip,dattatreya303/zulip,sup95/zulip,sharmaeklavya2/zulip,kou/zulip,punchagan/zulip,tommyip/zulip,peguin40/zulip,ahmadassaf/zulip,jainayush975/zulip,TigorC/zulip,shubhamdhama/zulip,vaidap/zulip,PhilSk/zulip,synicalsyntax/zulip,christi3k/zulip,tommyip/zulip,timabbott/zulip,arpith/zulip,cosmicAsymmetry/zulip,andersk/zulip,amyliu345/zulip,samatdav/zulip,timabbott/zulip,jainayush975/zulip,zacps/zulip,synicalsyntax/zulip,amyliu345/zulip,shubhamdhama/zulip,peguin40/zulip,christi3k/zulip,TigorC/zulip,krtkmj/zulip,calvinleenyc/zulip,jackrzhang/zulip,dhcrzf/zulip,SmartPeople/zulip,blaze225/zulip,eeshangarg/zulip,ahmadassaf/zulip,Diptanshu8/zulip,punchagan/zulip,christi3k/zulip,andersk/zulip,vabs22/zulip,Juanvulcano/zulip,christi3k/zulip,TigorC/zulip,isht3/zulip,vaidap/zulip,SmartPeople/zulip,andersk/zulip,joyhchen/zulip,niftynei/zulip,punchagan/zulip,ahmadassaf/zulip,umkay/zulip,punchagan/zulip,verma-varsha/zulip,paxapy/zulip,blaze225/zulip,brockwhittaker/zulip,timabbott/zulip,niftynei/zulip,aakash-cr7/zulip,amanharitsh123/zulip,synicalsyntax/zulip,amyliu345/zulip,rht/zulip,brockwhittaker/zulip,sonali0901/zulip,samatdav/zulip,vabs22/zulip