Provided by: perl-doc_5.30.0-9ubuntu0.5_all 

NAME
ExtUtils::testlib - add blib/* directories to @INC
SYNOPSIS
use ExtUtils::testlib;
DESCRIPTION
After an extension has been built and before it is installed it may be desirable to test it bypassing
"make test". By adding
use ExtUtils::testlib;
to a test program the intermediate directories used by "make" are added to @INC.
perl v5.30.0 2023-11-23 ExtUtils::testlib(3perl)