Intent of namespace_handler.go ×2

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
    
    frontend/ 6 tests
    
    TestNamespaceHandlerCommonSuite/ 6 tests
    
    go.temporal.io/server/service/frontend/TestNamespaceHandlerCommonSuite/TestFailoverGlobalNamespace_NotMaster Inherited namespace_handler.go ×6
    
    go.temporal.io/server/service/frontend/TestNamespaceHandlerCommonSuite/TestUpdateGlobalNamespace_NoAttrSet Inherited TestUpdateGlobalNamespace_NoAttrSet
    
    go.temporal.io/server/service/frontend/TestNamespaceHandlerCommonSuite/TestUpdateNamespace_ChangeActiveClusterWithoutUpdatingReplicationState Inherited namespace_handler.go ×6
    
    go.temporal.io/server/service/frontend/TestNamespaceHandlerCommonSuite/TestUpdateNamespace_PromoteLocalNamespace Inherited TestUpdateNamespace_PromoteLocalNamespace
    
    go.temporal.io/server/service/frontend/TestNamespaceHandlerCommonSuite/TestUpdateNamespace_UpdateActiveClusterWithHandoverState Inherited namespace_handler.go ×6
    
    go.temporal.io/server/service/frontend/TestNamespaceHandlerCommonSuite/TestUpdateNamespace_UpdateActiveCluster_LimitRecordHistory Inherited namespace_handler.go ×1