Intent of api.go ×2

All 6 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 6 tests
- server/ 6 tests
  - service/ 6 tests
    
    history/ 6 tests
    
    TestEngine2Suite/ 4 tests
    
    go.temporal.io/server/service/history/TestEngine2Suite/TestSignalWithStartWorkflowExecution_JustSignal Inherited TestSignalWithStartWorkflowExecution_JustSignal
    
    go.temporal.io/server/service/history/TestEngine2Suite/TestSignalWithStartWorkflowExecution_Start_DuplicateRequests Inherited signal_with_start_workflow.go ×2
    
    go.temporal.io/server/service/history/TestEngine2Suite/TestSignalWithStartWorkflowExecution_WorkflowNotExist Inherited TestSignalWithStartWorkflowExecution_WorkflowNotExist
    
    go.temporal.io/server/service/history/TestEngine2Suite/TestSignalWithStartWorkflowExecution_WorkflowNotRunning Inherited TestSignalWithStartWorkflowExecution_WorkflowNotRunning
    
    TestEngine3Suite/ 2 tests
    
    go.temporal.io/server/service/history/TestEngine3Suite/TestSignalWithStartWorkflowExecution_JustSignal Inherited TestSignalWithStartWorkflowExecution_JustSignal
    
    go.temporal.io/server/service/history/TestEngine3Suite/TestSignalWithStartWorkflowExecution_WorkflowNotExist Inherited TestSignalWithStartWorkflowExecution_WorkflowNotExist