tests: Rename resources directory to data
This aligns once more with other loaders ("data" test resources folder). It's not particulary interesting but this also cleanup 2 archives which contained themselves for no good reason...
Not necessarily to review. I'm waiting for jenkins to say "green" to land it.
Related to #2462 (closed)
Test Plan
tox
Migrated from D3414 (view on Phabricator)