Intent of fail_to_transition_to_stateRejected_when_workflow_is_already_complete

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 2 tests
- server/ 2 tests
  - service/ 2 tests
    
    history/ 2 tests
    
    workflow/ 2 tests
    
    update/ 2 tests
    
    TestUpdateState/ 2 tests
    
    in_stateSent/ 2 tests
    
    go.temporal.io/server/service/history/workflow/update/TestUpdateState/in_stateSent/fail_to_transition_to_stateRejected_when_workflow_is_already_complete Introduced here
    
    go.temporal.io/server/service/history/workflow/update/TestUpdateState/in_stateSent/transition_to_stateRejected Inherited transition_to_stateRejected