test: silence the output of notmuch new mid-test

Fix this during test run:

T470-missing-headers: Testing messages with missing headers
Added 2 new messages to the database.

diff --git a/test/T470-missing-headers.sh b/test/T470-missing-headers.sh
index e256c10ac47a8f370cd42e95eb0bcafbd20b4845..256a885f806a060fbf605a49ebbea6b7b669a7a3 100755 (executable)
--- a/test/T470-missing-headers.sh
+++ b/test/T470-missing-headers.sh
@@ -20,7 +20,7 @@ From: Notmuch Test Suite <test_suite@notmuchmail.org>
 Body
 EOF
 
-NOTMUCH_NEW
+NOTMUCH_NEW >/dev/null
 
 test_begin_subtest "Search: text"
 output=$(notmuch search '*' | notmuch_search_sanitize)