Man pages matching name test::lwp::useragent in section 3pm:

Test::LWP::UserAgent.3pm.en	debian 10 / libtest-lwp-useragent-perl
Test::LWP::UserAgent.3pm.en	debian 11 / libtest-lwp-useragent-perl
Test::LWP::UserAgent.3pm.en	debian 12 / libtest-lwp-useragent-perl