forensic logging freebsd unit test failures
https://jenkins.aws.isc.org/job/kea-dev/job/ut-basic/318/
Test Result (3 failures / -1)
run tests / freebsd-12.1-amd64 / freebsd-12.1-amd64 results / RotatingFileTest.prerotateActions
run tests / freebsd-12.1-amd64 / freebsd-12.1-amd64 results / RotatingFileTest.postrotateActions
run tests / freebsd-12.1-amd64 / freebsd-12.1-amd64 results / RotatingFileTest.prerotateAndPostrotateActions
rotating_file_unittests.cc:1124
Value of: fileExists(exp_name)
Actual: false
Expected: true