compose.js: Add node test coverage for abort_xhr() function.
compose.js: Add node test coverage for abort_xhr() function.

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