NewTestRedisCache writes to leader and reads from follower.

NewTestStore configures a new store and initializes the provided cache if required.

TestFilename returns the object store filename used for the object identified by the provided id TestFilename("id") --> "redistest-id.json".

TestCacheIngest is used during initialization to fill the cache with data from the backend.

TestRedisCache is a redis-backed implementation of TestCache.