Fixes #9897 - Stub encryption key in registry test
Currently CI is broken as it needs the encryption key to be set. In the past core provided a key for the Rails test environment but that's no longer the case
Related issues
Bug #9897: Registry test needs to stub encryption key
Fixes #9897 - Stub encryption key in registry test
Currently CI is broken as it needs the encryption key to be set. In the
past core provided a key for the Rails test environment but that's no
longer the case