There is a race in t/02-create.t which causes random test failure, especially on loaded host: t/02-create.t .. 1..4 ok 1 - HTTP Server started not ok 2 - Got CAPTCHA successfully ok 3 - An object of class 'HTTP::Cookies' isa 'HTTP::Cookies' ok 4 - Received cryptographic hash in cookie # Failed test 'Got CAPTCHA successfully' # at t/02-create.t line 39. # 500 # Can't connect to localhost:13432 (Spojení odmítnuto) # Looks like you failed 1 test of 4. See <https://rt.cpan.org/Public/Bug/Display.html?id=96200> for analysis.