use Test::Base;
__DATA__
===
--- in lines tail
one
two
three
--- out
three
===
--- in lines tail=2 join
one
two
three
--- out
two
three
use Test::Base;
__DATA__
===
--- in lines tail
one
two
three
--- out
three
===
--- in lines tail=2 join
one
two
three
--- out
two
three