Intent of Shard_limit_hit_DeleteNamespace

All 1 exact test in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 1 test
- server/ 1 test
  - common/ 1 test
    
    persistence/ 1 test
    
    client/ 1 test
    
    TestRateLimitedPersistenceClients/ 1 test
    
    Shard_limit_hit/ 1 test
    
    go.temporal.io/server/common/persistence/client/TestRateLimitedPersistenceClients/Shard_limit_hit/Shard_limit_hit_DeleteNamespace Introduced here