settings_user_groups.js: Add node tests to increase test coverage.
settings_user_groups.js: Add node tests to increase test coverage.

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