node tests: Add tests to test_begins_typeahead.
node tests: Add tests to test_begins_typeahead.

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