node tests: Use zrequire in common.js.
node tests: Use zrequire in common.js.

hackerkid/zulip,kou/zulip,rishig/zulip,synicalsyntax/zulip,zulip/zulip,eeshangarg/zulip,jackrzhang/zulip,kou/zulip,rht/zulip,jackrzhang/zulip,dhcrzf/zulip,brainwane/zulip,showell/zulip,mahim97/zulip,shubhamdhama/zulip,timabbott/zulip,zulip/zulip,tommyip/zulip,brainwane/zulip,shubhamdhama/zulip,showell/zulip,kou/zulip,rht/zulip,dhcrzf/zulip,jackrzhang/zulip,eeshangarg/zulip,showell/zulip,timabbott/zulip,zulip/zulip,eeshangarg/zulip,eeshangarg/zulip,kou/zulip,dhcrzf/zulip,hackerkid/zulip,shubhamdhama/zulip,kou/zulip,punchagan/zulip,shubhamdhama/zulip,brainwane/zulip,punchagan/zulip,punchagan/zulip,tommyip/zulip,jackrzhang/zulip,andersk/zulip,timabbott/zulip,mahim97/zulip,brainwane/zulip,tommyip/zulip,synicalsyntax/zulip,rishig/zulip,zulip/zulip,mahim97/zulip,jackrzhang/zulip,synicalsyntax/zulip,dhcrzf/zulip,eeshangarg/zulip,jackrzhang/zulip,dhcrzf/zulip,synicalsyntax/zulip,hackerkid/zulip,punchagan/zulip,timabbott/zulip,mahim97/zulip,rht/zulip,punchagan/zulip,zulip/zulip,brainwane/zulip,punchagan/zulip,eeshangarg/zulip,rishig/zulip,tommyip/zulip,dhcrzf/zulip,zulip/zulip,jackrzhang/zulip,dhcrzf/zulip,rht/zulip,showell/zulip,tommyip/zulip,showell/zulip,showell/zulip,hackerkid/zulip,rht/zulip,brainwane/zulip,punchagan/zulip,hackerkid/zulip,timabbott/zulip,andersk/zulip,shubhamdhama/zulip,showell/zulip,andersk/zulip,andersk/zulip,timabbott/zulip,hackerkid/zulip,tommyip/zulip,rishig/zulip,rishig/zulip,tommyip/zulip,andersk/zulip,synicalsyntax/zulip,kou/zulip,rishig/zulip,eeshangarg/zulip,hackerkid/zulip,synicalsyntax/zulip,andersk/zulip,rishig/zulip,mahim97/zulip,timabbott/zulip,andersk/zulip,brainwane/zulip,shubhamdhama/zulip,rht/zulip,synicalsyntax/zulip,shubhamdhama/zulip,zulip/zulip,mahim97/zulip,kou/zulip,rht/zulip