Both create_index_background_partial_filter.js and create_index_background_wildcard.js workloads extend create_index_background.js, which does removes without the shard key, and checks the result without accounting for orphans.

create_index_background.js is already tagged with assumes_balancer_off because of this. reate_index_background_partial_filter.js and create_index_background_wildcard.js should also be tagged likewise.