Accomodate broken HTTP clients
HTTP header lookups are supposed to be case-insensitive but some clients do a case insensitive lookup, which breaks because of Go's header canonicalization.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
HTTP header lookups are supposed to be case-insensitive but some clients do a case insensitive lookup, which breaks because of Go's header canonicalization.