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/nntpd.t b/t/nntpd.t
index 5b697344..30f3fb9c 100644
--- a/t/nntpd.t
+++ b/t/nntpd.t
@@ -15,7 +15,7 @@ use IO::Socket;
 use Socket qw(IPPROTO_TCP TCP_NODELAY);
 use Net::NNTP;
 use Sys::Hostname;
-require './t/common.perl';
+use PublicInbox::TestCommon;
 
 # FIXME: make easier to test both versions
 my $version = $ENV{PI_TEST_VERSION} || 2;