Intent of task_fetcher.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
  - service/ 4 tests
    
    history/ 4 tests
    
    replication/ 4 tests
    
    TestTaskFetcherSuite/ 4 tests
    
    go.temporal.io/server/service/history/replication/TestTaskFetcherSuite/TestBufferRequests_Duplicate Inherited task_fetcher.go ×1
    
    go.temporal.io/server/service/history/replication/TestTaskFetcherSuite/TestBufferRequests_NoDuplicate Introduced here
    
    go.temporal.io/server/service/history/replication/TestTaskFetcherSuite/TestConcurrentFetchAndProcess_Error Inherited task_fetcher.go ×1
    
    go.temporal.io/server/service/history/replication/TestTaskFetcherSuite/TestConcurrentFetchAndProcess_Success Inherited task_fetcher.go ×1