node tests: Add coverage for unexpected exceptions in handleTex.
node tests: Add coverage for unexpected exceptions in handleTex.

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