[PATCH 1/6] test_common: fixes for TEST_RUN_MODE=0

[Eric Wong]

This fixes t/httpd-https.t when running `make check TEST_RUN_MODE=0'
to disable all code preloading and reuse.

Fixes: b914e67f82ee (test_common: start_script: set default signals)
---
 lib/PublicInbox/TestCommon.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 9ad181e2..28edee9f 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -519,6 +519,7 @@ sub start_script {
                }
                $tail = tail_f(@paths, $opt);
        }
+       require PublicInbox::DS;
        my $oset = PublicInbox::DS::block_signals();
        require PublicInbox::OnDestroy;
        my $tmp_mask = PublicInbox::OnDestroy->new(