node tests: Avoid use of stub_selector.
node tests: Avoid use of stub_selector.

We will eliminate this soon.

zulip/zulip,andersk/zulip,zulip/zulip,punchagan/zulip,rht/zulip,zulip/zulip,eeshangarg/zulip,kou/zulip,hackerkid/zulip,eeshangarg/zulip,hackerkid/zulip,kou/zulip,punchagan/zulip,kou/zulip,kou/zulip,zulip/zulip,hackerkid/zulip,zulip/zulip,andersk/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,zulip/zulip,rht/zulip,punchagan/zulip,zulip/zulip,rht/zulip,punchagan/zulip,kou/zulip,hackerkid/zulip,rht/zulip,punchagan/zulip,kou/zulip,punchagan/zulip,andersk/zulip,rht/zulip,hackerkid/zulip,hackerkid/zulip,andersk/zulip,eeshangarg/zulip,eeshangarg/zulip,hackerkid/zulip,kou/zulip,eeshangarg/zulip,eeshangarg/zulip,andersk/zulip,andersk/zulip,rht/zulip,punchagan/zulip