compose: Fix broken test.
compose: Fix broken test.

We seem to have accidentally merged a bit of logic from renaming
file_upload_enabled to allow_file_upload.

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