Intent of TestTimerFireAfterUpdate_NotActive_NotUpdated, TestTimerSetCurrentTime_Update_TimerAlreadyFired

All 3 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 3 tests
- server/ 3 tests
  - common/ 3 tests
    
    timer/ 3 tests
    
    TestRemoteTimerGateSuite/ 3 tests
    
    go.temporal.io/server/common/timer/TestRemoteTimerGateSuite/TestTimerFireAfterUpdate_NotActive_NotUpdated Introduced here
    
    go.temporal.io/server/common/timer/TestRemoteTimerGateSuite/TestTimerFireAfterUpdate_NotActive_Updated Inherited TestTimerFireAfterUpdate_NotActive_Updated
    
    go.temporal.io/server/common/timer/TestRemoteTimerGateSuite/TestTimerSetCurrentTime_Update_TimerAlreadyFired Introduced here