is(
$ENV{PERL_LOCAL_LIB_ROOT},
- join($Config{path_sep}, (grep { $_ } $orig_llr, $dir2, $dir1)),
- 'dir1 should have been removed and added back in at the top',
+ join($Config{path_sep}, (grep { defined $_ and $_ ne '' } $orig_llr, $dir2, $dir1)),
+ 'dir1 should have been removed and added back in at the top (PERL_LOCAL_LIB_ROOT was ' . $orig_llr . ')',
);
ok((grep { /\Q$dir1\E/ } @INC), 'new dir has been added to @INC');