Intent of caching_redirector.go ×2

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 4 tests
- server/ 4 tests
  - client/ 4 tests
    
    history/ 4 tests
    
    TestCachingRedirectorSuite/ 4 tests
    
    go.temporal.io/server/client/history/TestCachingRedirectorSuite/TestDeadlineExceededError Inherited TestDeadlineExceededError
    
    go.temporal.io/server/client/history/TestCachingRedirectorSuite/TestExecuteCacheRetainingError Inherited caching_redirector.go ×1
    
    go.temporal.io/server/client/history/TestCachingRedirectorSuite/TestShardOwnershipLostErrors Inherited caching_redirector.go ×4
    
    go.temporal.io/server/client/history/TestCachingRedirectorSuite/TestUnavailableError Inherited caching_redirector.go ×1