Intent of metrics.go ×1

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
    
    TestTimerQueueActiveTaskExecutorSuite/ 2 tests
    
    go.temporal.io/server/service/history/TestTimerQueueActiveTaskExecutorSuite/TestExecuteStateMachineTimerTask_ExecutesAllAvailableTimers Inherited executors.go ×3
    
    go.temporal.io/server/service/history/TestTimerQueueActiveTaskExecutorSuite/TestExecuteStateMachineTimerTask_ZombieWorkflow Inherited timer_queue_active_task_executor.go ×2
    
    TestTimerQueueStandbyTaskExecutorSuite/ 4 tests
    
    go.temporal.io/server/service/history/TestTimerQueueStandbyTaskExecutorSuite/TestExecuteStateMachineTimerTask_ExecutesAllAvailableTimers Inherited timer_queue_standby_task_executor.go ×2
    
    go.temporal.io/server/service/history/TestTimerQueueStandbyTaskExecutorSuite/TestExecuteStateMachineTimerTask_StaleStateMachine Inherited TestExecuteStateMachineTimerTask_StaleStateMachine
    
    go.temporal.io/server/service/history/TestTimerQueueStandbyTaskExecutorSuite/TestExecuteStateMachineTimerTask_ValidConcurrentTaskIsKept Inherited TestExecuteStateMachineTimerTask_ValidConcurrentTaskIsKept
    
    go.temporal.io/server/service/history/TestTimerQueueStandbyTaskExecutorSuite/TestExecuteStateMachineTimerTask_ZombieWorkflow Inherited timer_queue_standby_task_executor.go ×2