ZooKeeperTest.Auth is flaky.

05:37:27  [ RUN      ] ZooKeeperTest.Auth
05:37:27  I1127 21:37:44.361042 2668864320 zookeeper_test_server.cpp:156] Started ZooKeeperTestServer on port 53751
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@753: Client environment:zookeeper.version=zookeeper C client 3.4.8
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@757: Client environment:host.name=Jenkinss-Mac-mini.local
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@764: Client environment:os.name=Darwin
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@765: Client environment:os.arch=17.4.0
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@766: Client environment:os.version=Darwin Kernel Version 17.4.0: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@774: Client environment:user.name=jenkins
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@782: Client environment:user.home=/Users/jenkins
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@log_env@794: Client environment:user.dir=/Users/jenkins/workspace/workspace/mesos/Mesos_CI-build/FLAG/SSL/label/mac/mesos/build
05:37:27  2018-11-27 21:37:44,361:80931(0x700007bc3000):ZOO_INFO@zookeeper_init@827: Initiating client connection, host=127.0.0.1:53751 sessionTimeout=10000 watcher=0x10dbf7dc0 sessionId=0 sessionPasswd=<null> context=0x7f9c4b2d9600 flags=0
05:37:27  2018-11-27 21:37:44,361:80931(0x700008567000):ZOO_INFO@check_events@1764: initiated connection to server [127.0.0.1:53751]
05:37:27  2018-11-27 21:37:44,365:80931(0x700008567000):ZOO_INFO@check_events@1811: session establishment complete on server [127.0.0.1:53751], sessionId=0x16758d2b9a80000, negotiated timeout=10000
05:37:31  2018-11-27 21:37:47,699:80931(0x700008567000):ZOO_INFO@auth_completion_func@1327: Authentication scheme digest succeeded
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@753: Client environment:zookeeper.version=zookeeper C client 3.4.8
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@757: Client environment:host.name=Jenkinss-Mac-mini.local
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@764: Client environment:os.name=Darwin
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@765: Client environment:os.arch=17.4.0
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@766: Client environment:os.version=Darwin Kernel Version 17.4.0: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@774: Client environment:user.name=jenkins
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@782: Client environment:user.home=/Users/jenkins
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@log_env@794: Client environment:user.dir=/Users/jenkins/workspace/workspace/mesos/Mesos_CI-build/FLAG/SSL/label/mac/mesos/build
05:37:31  2018-11-27 21:37:47,702:80931(0x700007cc9000):ZOO_INFO@zookeeper_init@827: Initiating client connection, host=127.0.0.1:53751 sessionTimeout=10000 watcher=0x10dbf7dc0 sessionId=0 sessionPasswd=<null> context=0x7f9c487174f0 flags=0
05:37:31  2018-11-27 21:37:47,702:80931(0x700008d82000):ZOO_INFO@check_events@1764: initiated connection to server [127.0.0.1:53751]
05:37:31  2018-11-27 21:37:47,703:80931(0x700008d82000):ZOO_INFO@check_events@1811: session establishment complete on server [127.0.0.1:53751], sessionId=0x16758d2b9a80001, negotiated timeout=10000
05:37:31  2018-11-27 21:37:47,704:80931(0x700007b40000):ZOO_INFO@log_env@753: Client environment:zookeeper.version=zookeeper C client 3.4.8
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@757: Client environment:host.name=Jenkinss-Mac-mini.local
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@764: Client environment:os.name=Darwin
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@765: Client environment:os.arch=17.4.0
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@766: Client environment:os.version=Darwin Kernel Version 17.4.0: Sun Dec 17 09:19:54 PST 2017; root:xnu-4570.41.2~1/RELEASE_X86_64
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@774: Client environment:user.name=jenkins
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@782: Client environment:user.home=/Users/jenkins
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@log_env@794: Client environment:user.dir=/Users/jenkins/workspace/workspace/mesos/Mesos_CI-build/FLAG/SSL/label/mac/mesos/build
05:37:31  2018-11-27 21:37:47,705:80931(0x700007b40000):ZOO_INFO@zookeeper_init@827: Initiating client connection, host=127.0.0.1:53751 sessionTimeout=10000 watcher=0x10dbf7dc0 sessionId=0 sessionPasswd=<null> context=0x7f9c4b37c170 flags=0
05:37:31  2018-11-27 21:37:47,705:80931(0x700008e88000):ZOO_INFO@check_events@1764: initiated connection to server [127.0.0.1:53751]
05:37:31  2018-11-27 21:37:47,706:80931(0x700008e88000):ZOO_INFO@check_events@1811: session establishment complete on server [127.0.0.1:53751], sessionId=0x16758d2b9a80002, negotiated timeout=10000
05:37:46  2018-11-27 21:38:01,187:80931(0x700008567000):ZOO_ERROR@handle_socket_error_msg@1782: Socket [127.0.0.1:53751] zk retcode=-4, errno=64(Host is down): failed while receiving a server response
05:37:46  2018-11-27 21:38:01,187:80931(0x700008567000):ZOO_WARN@zookeeper_interest@1597: Exceeded deadline by 10152ms
05:37:46  2018-11-27 21:38:01,187:80931(0x700008d82000):ZOO_ERROR@handle_socket_error_msg@1782: Socket [127.0.0.1:53751] zk retcode=-4, errno=64(Host is down): failed while receiving a server response
05:37:46  2018-11-27 21:38:01,187:80931(0x700008d82000):ZOO_WARN@zookeeper_interest@1597: Exceeded deadline by 10149ms
05:37:46  2018-11-27 21:38:01,187:80931(0x700008e88000):ZOO_ERROR@handle_socket_error_msg@1782: Socket [127.0.0.1:53751] zk retcode=-4, errno=64(Host is down): failed while receiving a server response
05:37:46  2018-11-27 21:38:01,188:80931(0x700008e88000):ZOO_WARN@zookeeper_interest@1597: Exceeded deadline by 10149ms
05:37:46  2018-11-27 21:38:01,188:80931(0x700008e88000):ZOO_WARN@zookeeper_interest@1597: Exceeded deadline by 10149ms
05:37:46  2018-11-27 21:38:01,188:80931(0x700008e88000):ZOO_INFO@check_events@1764: initiated connection to server [127.0.0.1:53751]
05:37:46  2018-11-27 21:38:01,188:80931(0x700008e88000):ZOO_ERROR@handle_socket_error_msg@1800: Socket [127.0.0.1:53751] zk retcode=-112, errno=70(Stale NFS file handle): sessionId=0x16758d2b9a80002 has expired.
05:37:46  ../../src/tests/zookeeper_tests.cpp:67: Failure
05:37:46  (&nonOwnerZk).get("/test", ...): session expired
05:37:46  2018-11-27 21:38:01,189:80931(0x7fff9f13a340):ZOO_INFO@zookeeper_close@2579: Freeing zookeeper resources for sessionId=0x16758d2b9a80002
05:37:46  
05:37:46  2018-11-27 21:38:01,189:80931(0x7fff9f13a340):ZOO_INFO@zookeeper_close@2579: Freeing zookeeper resources for sessionId=0x16758d2b9a80001
05:37:46  
05:37:46  2018-11-27 21:38:01,189:80931(0x7fff9f13a340):ZOO_INFO@zookeeper_close@2579: Freeing zookeeper resources for sessionId=0x16758d2b9a80000
05:37:46  
05:37:46  I1127 21:38:01.189885 2668864320 zookeeper_test_server.cpp:116] Shutting down ZooKeeperTestServer on port 53751
05:37:46  [  FAILED  ] ZooKeeperTest.Auth (16831 ms)