[PATCH] t/lei-import-nntp: dump $lei_err on failure

[Eric Wong]

I hit an error on the backwards range import test and can't
reproduce it, perhaps dumping $lei_err can help diagnose it
in the future.
---
 t/lei-import-nntp.t | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/t/lei-import-nntp.t b/t/lei-import-nntp.t
index eb1ae312..2c48d973 100644
--- a/t/lei-import-nntp.t
+++ b/t/lei-import-nntp.t
@@ -43,7 +43,8 @@ test_lei({ tmpdir => $tmpdir }, sub {
        lei_ok 'ls-mail-sync';
        like($lei_out, qr!\A\Q$url\E\n\z!, 'ls-mail-sync output as-expected');
 
-       ok(!lei(qw(import), "$url/12-1"), 'backwards range rejected');
+       ok(!lei(qw(import), "$url/12-1"), 'backwards range rejected') or
+               diag $lei_err;
 
        # new home
        local $ENV{HOME} = "$tmpdir/h2";