search: reenable phrase search on non-chert Xapian

This is assuming nobody uses flint or earlier, anymore;
as flint predates the existence of this project.

1 files changed, 1 insertions, 0 deletions

diff --git a/t/search.t b/t/search.t
index c063620c..538baeff 100644
--- a/t/search.t
+++ b/t/search.t
@@ -30,6 +30,7 @@ my $ro = PublicInbox::Search->new($git_dir);
 my $rw_commit = sub {
         $rw->commit_txn_lazy if $rw;
         $rw = PublicInbox::SearchIdx->new($git_dir, 1);
+        $rw->{qp_flags} = 0; # quiet a warning
         $rw->begin_txn_lazy;
 };