Intent of TestPollScalingDecisionMetricHoldRateLimited, TestPollScalingDecisionMetricHoldRateLimited

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
    
    matching/ 2 tests
    
    TestPhysicalTaskQueueManager_Classic_Suite/ 1 test
    
    go.temporal.io/server/service/matching/TestPhysicalTaskQueueManager_Classic_Suite/TestPollScalingDecisionMetricHoldRateLimited Introduced here
    
    TestPhysicalTaskQueueManager_Pri_Suite/ 1 test
    
    go.temporal.io/server/service/matching/TestPhysicalTaskQueueManager_Pri_Suite/TestPollScalingDecisionMetricHoldRateLimited Introduced here