tests: move t/common.perl to PublicInbox::TestCommon

We want to be able to use run_script with *.t files, so
t/common.perl putting subs into the top-level "main" namespace
won't work.  Instead, make it a module which uses Exporter
like other libraries.

1 files changed, 1 insertions, 1 deletions

diff --git a/t/watch_filter_rubylang.t b/t/watch_filter_rubylang.t
index c4078879..0ea680ee 100644
--- a/t/watch_filter_rubylang.t
+++ b/t/watch_filter_rubylang.t
@@ -2,7 +2,7 @@
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 use strict;
 use warnings;
-require './t/common.perl';
+use PublicInbox::TestCommon;
 use Test::More;
 use PublicInbox::MIME;
 use PublicInbox::Config;