Intent of counts_are_correctly_propagated, sharp_signal:_transition_at_commit_index_3

All 4 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 4 tests
- server/ 4 tests
  - tools/ 4 tests
    
    flakereport/ 4 tests
    
    TestRunBisect/ 2 tests
    
    go.temporal.io/server/tools/flakereport/TestRunBisect/counts_are_correctly_propagated Introduced here
    
    go.temporal.io/server/tools/flakereport/TestRunBisect/sharp_signal:_transition_at_commit_index_3 Introduced here
    
    go.temporal.io/server/tools/flakereport/TestRunBisectForTestDirectionFilter Inherited bisect.go ×1
    
    go.temporal.io/server/tools/flakereport/TestRunBisectForTestDirectionFilterKeepsIntroduction Inherited bisect.go ×2