Intent of functional_test_base.go ×3

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
  - tests/ 2 tests
    
    testcore/ 2 tests
    
    TestSharedClusterPoison/ 2 tests
    
    go.temporal.io/server/tests/testcore/TestSharedClusterPoison/soft_assert_during_test_fails_it Introduced here
    
    go.temporal.io/server/tests/testcore/TestSharedClusterPoison/subsequent_acquirer_on_poisoned_cluster_also_fails Introduced here