Intent of operation.go ×3

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
  - chasm/ 4 tests
    
    lib/ 4 tests
    
    nexusoperation/ 4 tests
    
    TestHandleNexusCompletion/ 4 tests
    
    Canceled/ 1 test
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Canceled/CompletionBeforeStart Inherited CompletionBeforeStart
    
    Failure/ 1 test
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Failure/CompletionBeforeStart Inherited CompletionBeforeStart
    
    Success/ 2 tests
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Success/CompletionBeforeStart Inherited CompletionBeforeStart
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Success/CompletionBeforeStartWithoutStartTime Inherited CompletionBeforeStartWithoutStartTime