test_events: Add reaction tests.
test_events: Add reaction tests.

rishig/zulip,mahim97/zulip,eeshangarg/zulip,tommyip/zulip,zulip/zulip,andersk/zulip,jrowan/zulip,christi3k/zulip,jrowan/zulip,jackrzhang/zulip,brainwane/zulip,SmartPeople/zulip,SmartPeople/zulip,dhcrzf/zulip,Galexrt/zulip,eeshangarg/zulip,eeshangarg/zulip,rht/zulip,zulip/zulip,brockwhittaker/zulip,jainayush975/zulip,synicalsyntax/zulip,mahim97/zulip,christi3k/zulip,timabbott/zulip,SmartPeople/zulip,christi3k/zulip,andersk/zulip,ryanbackman/zulip,mahim97/zulip,zulip/zulip,verma-varsha/zulip,vabs22/zulip,brainwane/zulip,synicalsyntax/zulip,dhcrzf/zulip,mahim97/zulip,shubhamdhama/zulip,timabbott/zulip,j831/zulip,kou/zulip,tommyip/zulip,vaidap/zulip,punchagan/zulip,rht/zulip,tommyip/zulip,SmartPeople/zulip,rishig/zulip,jainayush975/zulip,rht/zulip,amanharitsh123/zulip,punchagan/zulip,jrowan/zulip,brockwhittaker/zulip,andersk/zulip,kou/zulip,showell/zulip,rht/zulip,kou/zulip,punchagan/zulip,vaidap/zulip,rht/zulip,timabbott/zulip,verma-varsha/zulip,dhcrzf/zulip,mahim97/zulip,brockwhittaker/zulip,brainwane/zulip,Galexrt/zulip,hackerkid/zulip,ryanbackman/zulip,jphilipsen05/zulip,SmartPeople/zulip,synicalsyntax/zulip,mahim97/zulip,jackrzhang/zulip,jackrzhang/zulip,shubhamdhama/zulip,andersk/zulip,rishig/zulip,synicalsyntax/zulip,jackrzhang/zulip,vaidap/zulip,timabbott/zulip,verma-varsha/zulip,eeshangarg/zulip,timabbott/zulip,synicalsyntax/zulip,rishig/zulip,andersk/zulip,dhcrzf/zulip,jainayush975/zulip,kou/zulip,eeshangarg/zulip,jackrzhang/zulip,hackerkid/zulip,jphilipsen05/zulip,brainwane/zulip,shubhamdhama/zulip,kou/zulip,punchagan/zulip,showell/zulip,andersk/zulip,amanharitsh123/zulip,jphilipsen05/zulip,zulip/zulip,showell/zulip,shubhamdhama/zulip,Galexrt/zulip,vaidap/zulip,hackerkid/zulip,amanharitsh123/zulip,amanharitsh123/zulip,Galexrt/zulip,jphilipsen05/zulip,j831/zulip,synicalsyntax/zulip,brockwhittaker/zulip,jainayush975/zulip,brainwane/zulip,tommyip/zulip,ryanbackman/zulip,showell/zulip,jackrzhang/zulip,hackerkid/zulip,jrowan/zulip,verma-varsha/zulip,andersk/zulip,brockwhittaker/zulip,rht/zulip,showell/zulip,amanharitsh123/zulip,vabs22/zulip,dhcrzf/zulip,vabs22/zulip,jackrzhang/zulip,timabbott/zulip,brainwane/zulip,rishig/zulip,kou/zulip,dhcrzf/zulip,punchagan/zulip,showell/zulip,punchagan/zulip,jrowan/zulip,Galexrt/zulip,tommyip/zulip,christi3k/zulip,shubhamdhama/zulip,Galexrt/zulip,vabs22/zulip,eeshangarg/zulip,zulip/zulip,hackerkid/zulip,brainwane/zulip,dhcrzf/zulip,punchagan/zulip,rht/zulip,zulip/zulip,christi3k/zulip,tommyip/zulip,Galexrt/zulip,timabbott/zulip,amanharitsh123/zulip,jphilipsen05/zulip,jainayush975/zulip,verma-varsha/zulip,zulip/zulip,j831/zulip,vabs22/zulip,j831/zulip,brockwhittaker/zulip,christi3k/zulip,hackerkid/zulip,shubhamdhama/zulip,vaidap/zulip,ryanbackman/zulip,jainayush975/zulip,rishig/zulip,hackerkid/zulip,ryanbackman/zulip,j831/zulip,j831/zulip,jrowan/zulip,kou/zulip,showell/zulip,tommyip/zulip,SmartPeople/zulip,synicalsyntax/zulip,rishig/zulip,vabs22/zulip,verma-varsha/zulip,vaidap/zulip,jphilipsen05/zulip,shubhamdhama/zulip,ryanbackman/zulip,eeshangarg/zulip