t/*: disable fsync on tests were create_inbox isn't worth it

Using create_inbox doesn't seem worth the trouble, here, at the
moment, but disabling fsync(2) gives a noticeable speedup on
my system even with an SSD.

1 files changed, 1 insertions, 0 deletions

diff --git a/t/purge.t b/t/purge.t
index f4281c13..a33cd329 100644
--- a/t/purge.t
+++ b/t/purge.t
@@ -16,6 +16,7 @@ my $ibx = PublicInbox::Inbox->new({
         inboxdir => $inboxdir,
         name => 'test-v2purge',
         version => 2,
+        -no_fsync => 1,
         -primary_address => 'test@example.com',
         indexlevel => 'basic',
 });