Intent of TestPerTaskQueueScope

All 5 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 5 tests
- server/ 5 tests
  - common/ 5 tests
    
    metrics/ 5 tests
    
    metricstest/ 5 tests
    
    go.temporal.io/server/common/metrics/metricstest/TestPerTaskQueuePartitionIDScope_Normal Inherited TestPerTaskQueuePartitionIDScope_Normal
    
    go.temporal.io/server/common/metrics/metricstest/TestPerTaskQueuePartitionIDScope_Sticky Inherited TestPerTaskQueuePartitionIDScope_Sticky
    
    go.temporal.io/server/common/metrics/metricstest/TestPerTaskQueuePartitionTypeScope_Normal Inherited TestPerTaskQueuePartitionTypeScope_Normal
    
    go.temporal.io/server/common/metrics/metricstest/TestPerTaskQueuePartitionTypeScope_Sticky Inherited TestPerTaskQueuePartitionTypeScope_Sticky
    
    go.temporal.io/server/common/metrics/metricstest/TestPerTaskQueueScope Introduced here