Intent of and_id_reuse_policy_is_ALLOW_DUPLICATE

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
    
    TestEngine2Suite/ 2 tests
    
    TestStartWorkflowExecution_Dedup/ 2 tests
    
    when_workflow_completed/ 2 tests
    
    with_success/ 2 tests
    
    go.temporal.io/server/service/history/TestEngine2Suite/TestStartWorkflowExecution_Dedup/when_workflow_completed/with_success/and_id_reuse_policy_is_ALLOW_DUPLICATE Introduced here
    
    go.temporal.io/server/service/history/TestEngine2Suite/TestStartWorkflowExecution_Dedup/when_workflow_completed/with_success/and_id_reuse_policy_is_TERMINATE_IF_RUNNING Inherited and_id_reuse_policy_is_TERMINATE_IF_RUNNING