HAServiceTest.sendUpdatesControlResultError sometimes fails
On CentOS 8 distcheck
https://jenkins.aws.isc.org/job/kea-dev/job/distcheck/421/execution/node/147/log/
14:32:12 [ RUN ] HAServiceTest.sendUpdatesControlResultError
14:32:12 ../../../../../../../src/hooks/dhcp/high_availability/tests/ha_service_unittest.cc:1347: Failure
14:32:12 Expected equality of these values:
14:32:12 2
14:32:12 factory3_->getResponseCreator()->getReceivedRequests().size()
14:32:12 Which is: 1
14:32:12 ../../../../../../../src/hooks/dhcp/high_availability/tests/ha_service_unittest.cc:1353: Failure
14:32:12 Value of: update_request3
14:32:12 Actual: false
14:32:12 Expected: true
14:32:12 [ FAILED ] HAServiceTest.sendUpdatesControlResultError (2 ms)