It is still convenient to do a "tenant_attach" from a test without having to write out a location_conf body, so those test methods have been retained with implementations that call through to their location_conf equivalent.
Checklist before requesting a review
[ ] I have performed a self-review of my code.
[ ] If it is a core feature, I have added thorough tests.
[ ] Do we need to implement analytics? if so did you add the relevant metrics to the dashboard?
[ ] If this PR requires public announcement, mark it with /release-notes label and add several sentences in this section.
Checklist before merging
[ ] Do not forget to reformat commit message to not include the above checklist
Problem
These APIs have been deprecated for some time, but were still used from test code.
Closes: https://github.com/neondatabase/neon/issues/4282
Summary of changes
Checklist before requesting a review
Checklist before merging