tests: Fix comments in node tests of settings_org.js.
tests: Fix comments in node tests of settings_org.js.

This commit fixes the node tests for settings_org.js
where 'create stream policy' is incorrectly used
instead of 'invite to stream policy'.

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