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/search-thr-index.t b/t/search-thr-index.t
index 4f793657..47454fe7 100644
--- a/t/search-thr-index.t
+++ b/t/search-thr-index.t
@@ -13,7 +13,7 @@ foreach my $mod (@mods) {
 }
 require PublicInbox::SearchIdx;
 require PublicInbox::Inbox;
-require './t/common.perl';
+use PublicInbox::TestCommon;
 my ($tmpdir, $for_destroy) = tmpdir();
 my $git_dir = "$tmpdir/a.git";