libpoe-test-loops-perl 1.360-1ubuntu2 (s390x binary) in ubuntu bionic

 POE::Test::Loops is a Perl helper module that provides a framework for testing
 the functionality of POE event loops. It contains a single function that sets
 up all the loop tests for one or more POE::Loop subclasses. It is most useful
 during development and building of POE event loops.