message_fetch: Fix node tests for new on-load query.
message_fetch: Fix node tests for new on-load query.

This adds missing unit test updates from
ebea17b9a6600f1f59764a9f5ac03b3dff4fee69.

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