Intent of no_tasks_when_timeout_not_set

All 10 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 10 tests
- server/ 10 tests
  - chasm/ 10 tests
    
    lib/ 10 tests
    
    nexusoperation/ 10 tests
    
    TestHandleNexusCompletion/ 7 tests
    
    Canceled/ 2 tests
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Canceled/AfterStarted Inherited operation.go ×2
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Canceled/CompletionBeforeStart Inherited CompletionBeforeStart
    
    Failure/ 2 tests
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Failure/AfterStarted Inherited operation.go ×2
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Failure/CompletionBeforeStart Inherited CompletionBeforeStart
    
    Success/ 3 tests
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Success/AfterStarted Inherited operation.go ×2
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Success/CompletionBeforeStart Inherited CompletionBeforeStart
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestHandleNexusCompletion/Success/CompletionBeforeStartWithoutStartTime Inherited CompletionBeforeStartWithoutStartTime
    
    TestTransitionStarted/ 3 tests
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestTransitionStarted/emits_start-to-close_timeout_task Inherited tasks.pb.go ×1
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestTransitionStarted/no_tasks_when_timeout_not_set Introduced here
    
    go.temporal.io/server/chasm/lib/nexusoperation/TestTransitionStarted/start-to-close_timeout_uses_event_StartTime Inherited start-to-close_timeout_uses_event_StartTime