Intent of tree.go ×2

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
  - chasm/ 5 tests
    
    TestNodeSuite/ 5 tests
    
    TestApplyMutation_InvalidatesHydratedMapAncestors/ 1 test
    
    go.temporal.io/server/chasm/TestNodeSuite/TestApplyMutation_InvalidatesHydratedMapAncestors/CreateMapItem Inherited CreateMapItem
    
    go.temporal.io/server/chasm/TestNodeSuite/TestApplyMutation Inherited tree.go ×1
    
    go.temporal.io/server/chasm/TestNodeSuite/TestApplyMutation_DeleteUpdateSamePath Inherited TestApplyMutation_DeleteUpdateSamePath
    
    go.temporal.io/server/chasm/TestNodeSuite/TestApplyMutation_OutOfOrder Inherited chasm.pb.go ×1
    
    go.temporal.io/server/chasm/TestNodeSuite/TestApplySnapshot Inherited tree.go ×2