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

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