Intermittent failure in MaxConnectionTest.SystemConnection

[2019-05-21T15:09:20.832Z]  81/179 Test  #83: memcached_testapp.default.MaxConnectionTest ..................................***Failed    0.91 sec

 Note: Google Test filter = MaxConnectionTest.*

 [==========] Running 2 tests from 1 test case.

 [----------] Global test environment set-up.

 [----------] 2 tests from MaxConnectionTest

 2019-05-21T08:09:19.841012-07:00 INFO This version of Couchbase is built without allocator hooks for accurate memory tracking

 2019-05-21T08:09:19.841498-07:00 INFO Changing logging level to 0

 2019-05-21T08:09:19.841736-07:00 INFO Setting SSL minimum protocol to: tlsv1

 2019-05-21T08:09:19.856192-07:00 INFO Breakpad disabled

 [ RUN      ] MaxConnectionTest.MaxUserConnectionsConnection

 [       OK ] MaxConnectionTest.MaxUserConnectionsConnection (28 ms)

 [ RUN      ] MaxConnectionTest.SystemConnection

 unknown file: Failure

 C++ exception with description "MemcachedConnection::readPlain: failed to read data: Connection reset by peer" thrown in SetUp().

 [  FAILED  ] MaxConnectionTest.SystemConnection (4 ms)