Intent of TestNonPositiveShadowLogIntervalDisabled, TestDecisionPersistsAndUpdatesEphemeralData

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
  - service/ 5 tests
    
    matching/ 5 tests
    
    TestScaleManagerSuite/ 5 tests
    
    go.temporal.io/server/service/matching/TestScaleManagerSuite/TestCooldown Inherited TestCooldown
    
    go.temporal.io/server/service/matching/TestScaleManagerSuite/TestDBWriteFailureKeepsState Inherited scale_manager.go ×1
    
    go.temporal.io/server/service/matching/TestScaleManagerSuite/TestDecisionPersistsAndUpdatesEphemeralData Introduced here
    
    go.temporal.io/server/service/matching/TestScaleManagerSuite/TestNonPositiveShadowLogIntervalDisabled Introduced here
    
    go.temporal.io/server/service/matching/TestScaleManagerSuite/TestPrivateStatePropagation Inherited TestPrivateStatePropagation