Intent of executors.go ×2

All 5 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 5 tests
- server/ 5 tests
  - components/ 5 tests
    
    nexusoperations/ 5 tests
    
    TestProcessInvocationTask/ 5 tests
    
    go.temporal.io/server/components/nexusoperations/TestProcessInvocationTask/async_start Inherited async_start
    
    go.temporal.io/server/components/nexusoperations/TestProcessInvocationTask/cancel_before_start Inherited statemachine.go ×3
    
    go.temporal.io/server/components/nexusoperations/TestProcessInvocationTask/operation_timeout_header_set_by_StartToCloseTimeout Inherited executors.go ×1
    
    go.temporal.io/server/components/nexusoperations/TestProcessInvocationTask/sync_start Inherited executors.go ×2
    
    go.temporal.io/server/components/nexusoperations/TestProcessInvocationTask/token_to_long Inherited executors.go ×4