Intent of global_and_cluster_match, global_and_cluster_mismatch

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
  - common/ 2 tests
    
    namespace/ 2 tests
    
    TestActiveInCluster/ 2 tests
    
    go.temporal.io/server/common/namespace/TestActiveInCluster/global_and_cluster_match Introduced here
    
    go.temporal.io/server/common/namespace/TestActiveInCluster/global_and_cluster_mismatch Introduced here