Test::Leaner is more reliable than Test::More, but we need it here only for
a diagnostic when tests are forced. As long as we don't plan, this should
have no influence on the rest of the test, so let the user decide which
module to use.
L<threads::shared> 1.14
-=item -
-
-L<Test::Leaner>
-
=back
=item *
load_or_skip_all 'threads', $force ? '0' : '1.67', [ ];
load_or_skip_all 'threads::shared', $force ? '0' : '1.14', [ ];
- require Test::Leaner;
-
diag "Threads testing forced by \$ENV{$force_var}" if $force;
return spawn => \&spawn;