Flake: AccessLogManagerImplTest.ReopenRetry

Flake: AccessLogManagerImplTest.ReopenRetry

Description: has flakes under code coverage with runs in CI for the following PRs: 19914, 19962, 19777

Running it with coverage locally:

[06:55:04] kbaichoo:envoy:0 $bazel test --config=coverage //test/common/access_log:access_log_manager_impl_test --runs_per_test=1000 --test_filter="*ReopenRetry*"                                                                                                                        
INFO: Analyzed target //test/common/access_log:access_log_manager_impl_test (0 packages loaded, 227 targets configured).                                                                                                                                                                  
INFO: Found 1 test target...       

  bazel-bin/test/common/access_log/access_log_manager_impl_test                                                                              
INFO: Elapsed time: 1305.064s, Critical Path: 177.43s                                                                                        
INFO: 1003 processes: 2 internal, 1001 linux-sandbox.                                                                                        
INFO: Build completed, 1 test FAILED, 1003 total actions                                                                                     
//test/common/access_log:access_log_manager_impl_test                    FAILED in 61 out of 1000 in 166.9s                                  
  Stats over 1000 runs: max = 166.9s, min = 5.5s, avg = 120.4s, dev = 25.5s

Flake seems related with https://github.com/envoyproxy/envoy/pull/19714

  [07:37:55] kbaichoo:envoy:0 $cat  /usr/local/google/home/kbaichoo/.cache/bazel/_bazel_kbaichoo/75388abe3eaf73a64e5fc0563befa9b7/execroot/envoy/bazel-out/k8-fastbuild/testlogs/test/common/access_log/access_log_manager_impl_test/run_997_of_1000/test.log
exec ${PAGER:-/usr/bin/less} "$0" || exit 1
Executing tests from //test/common/access_log:access_log_manager_impl_test
-----------------------------------------------------------------------------
Note: Google Test filter = *ReopenRetry*
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from AccessLogManagerImplTest
[ RUN      ] AccessLogManagerImplTest.ReopenRetry
test/common/access_log/access_log_manager_impl_test.cc:447: Failure
Expected equality of these values:
  0UL
    Which is: 0
  store_.gauge("filesystem.write_total_buffered", Stats::Gauge::ImportMode::Accumulate) .value()
    Which is: 12
Stack trace:
  0x88a4e0: Envoy::AccessLog::(anonymous namespace)::AccessLogManagerImplTest_ReopenRetry_Test::TestBody()
  0x7f3968a026dd: testing::internal::HandleSehExceptionsInMethodIfSupported<>()
  0x7f39689e97c1: testing::internal::HandleExceptionsInMethodIfSupported<>()
  0x7f39689cd34d: testing::Test::Run()
  0x7f39689ce0a4: testing::TestInfo::Run()
... Google Test internal frames ...

[  FAILED  ] AccessLogManagerImplTest.ReopenRetry (25 ms)
[----------] 1 test from AccessLogManagerImplTest (25 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test suite ran. (25 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] AccessLogManagerImplTest.ReopenRetry

[optional Relevant Links:]

Any extra documentation required to understand the issue.