list_render test: Exercise sort handler.
list_render test: Exercise sort handler.

We now make sure that `set_up_event_handlers`
wires up our sort handlers correctly.

zulip/zulip,showell/zulip,brainwane/zulip,kou/zulip,eeshangarg/zulip,brainwane/zulip,eeshangarg/zulip,shubhamdhama/zulip,hackerkid/zulip,timabbott/zulip,rht/zulip,andersk/zulip,punchagan/zulip,showell/zulip,timabbott/zulip,hackerkid/zulip,synicalsyntax/zulip,punchagan/zulip,kou/zulip,shubhamdhama/zulip,timabbott/zulip,timabbott/zulip,andersk/zulip,hackerkid/zulip,shubhamdhama/zulip,kou/zulip,eeshangarg/zulip,hackerkid/zulip,punchagan/zulip,andersk/zulip,brainwane/zulip,andersk/zulip,punchagan/zulip,shubhamdhama/zulip,synicalsyntax/zulip,showell/zulip,rht/zulip,eeshangarg/zulip,hackerkid/zulip,zulip/zulip,eeshangarg/zulip,synicalsyntax/zulip,zulip/zulip,timabbott/zulip,shubhamdhama/zulip,synicalsyntax/zulip,eeshangarg/zulip,rht/zulip,rht/zulip,shubhamdhama/zulip,andersk/zulip,showell/zulip,andersk/zulip,brainwane/zulip,rht/zulip,hackerkid/zulip,hackerkid/zulip,rht/zulip,zulip/zulip,punchagan/zulip,brainwane/zulip,zulip/zulip,eeshangarg/zulip,timabbott/zulip,punchagan/zulip,kou/zulip,rht/zulip,timabbott/zulip,showell/zulip,andersk/zulip,brainwane/zulip,punchagan/zulip,kou/zulip,zulip/zulip,kou/zulip,synicalsyntax/zulip,showell/zulip,shubhamdhama/zulip,kou/zulip,synicalsyntax/zulip,brainwane/zulip,synicalsyntax/zulip,showell/zulip,zulip/zulip