Intent of empty_registry_has_no_updates_to_reject

All 12 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 12 tests
- server/ 12 tests
  - service/ 12 tests
    
    history/ 12 tests
    
    api/ 10 tests
    
    respondworkflowtaskcompleted/ 10 tests
    
    TestWorkflowTaskCompletedHandlerSuite/ 10 tests
    
    TestUpdateWorkflow/ 7 tests
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Accept_Complete Inherited Accept_Complete
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Discard_speculative_WFT_with_events Inherited Discard_speculative_WFT_with_events
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Do_not_discard_speculative_WFT_with_more_than_10_events Inherited test_vars.go ×1
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Heartbeat_(empty_completion) Inherited registry.go ×3
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Reject Inherited Reject
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Write_failed_on_normal_task_queue Inherited Write_failed_on_normal_task_queue
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestUpdateWorkflow/Write_failed_on_sticky_task_queue Inherited api.go ×4
    
    TestWorkflowTaskCompletionPagination/ 3 tests
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestWorkflowTaskCompletionPagination/Duplicate_intermediate_page_is_idempotent Inherited workflow_task_state_machine.go ×1
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestWorkflowTaskCompletionPagination/Single_page_completion_unchanged_when_pagination_enabled Inherited api.go ×1
    
    go.temporal.io/server/service/history/api/respondworkflowtaskcompleted/TestWorkflowTaskCompletedHandlerSuite/TestWorkflowTaskCompletionPagination/Two_page_completion_merges_commands Inherited Two_page_completion_merges_commands
    
    workflow/ 2 tests
    
    update/ 2 tests
    
    TestRejectUnprocessed/ 2 tests
    
    go.temporal.io/server/service/history/workflow/update/TestRejectUnprocessed/empty_registry_has_no_updates_to_reject Introduced here
    
    go.temporal.io/server/service/history/workflow/update/TestRejectUnprocessed/registry_with_updates_[#1,_#2]_in_stateCreated_rejects_nothing Inherited registry_with_updates_[#1,_#2]_in_stateCreated_rejects_nothing