Intent of UI_client, CLI_client

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
    
    history/ 2 tests
    
    api/ 2 tests
    
    TestShouldIncludeTransientOrSpeculativeTasks/ 2 tests
    
    go.temporal.io/server/service/history/api/TestShouldIncludeTransientOrSpeculativeTasks/CLI_client Introduced here
    
    go.temporal.io/server/service/history/api/TestShouldIncludeTransientOrSpeculativeTasks/UI_client Introduced here