test_upload: Add tests for realm icon URL scheme.
test_upload: Add tests for realm icon URL scheme.

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