[PATCH] t/lei-externals: add diagnostic for warning

[PATCH] t/lei-externals: add diagnostic for warning

[Eric Wong]

Not sure where it's coming from, but I saw it fail, once
(and we should be doing more "or diag ..." anyways to improve
diagnostics).
---
 t/lei-externals.t | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/t/lei-externals.t b/t/lei-externals.t
index 2a92d101..915f25ad 100644
--- a/t/lei-externals.t
+++ b/t/lei-externals.t
@@ -229,7 +229,8 @@ SKIP: {
 		is(scalar(@s), 2, "2 results in mbox$sfx");
 
 		lei_ok('q', '-a', '-o', "mboxcl2:$f", 's:nonexistent');
-		is(grep(!/^#/, $lei_err), 0, "no errors on no results ($sfx)");
+		is(grep(!/^#/, $lei_err), 0, "no errors on no results ($sfx)")
+			or diag $lei_err;
 
 		my @s2 = grep(/^Subject:/, $cat->());
 		is_deeply(\@s2, \@s,