test: add sync request until all logging about the test unit is done

(cherry picked from commit 80ab0e04d38017fa9db0c4af1bdca8f83e4234e4)

diff --git a/test/units/TEST-04-JOURNAL.LogFilterPatterns.sh b/test/units/TEST-04-JOURNAL.LogFilterPatterns.sh
index 79482d60780c770effa0db68116e44eff6c16eea..277e367b3291d9bffe2b9d714205160f04e83979 100755 (executable)
--- a/test/units/TEST-04-JOURNAL.LogFilterPatterns.sh
+++ b/test/units/TEST-04-JOURNAL.LogFilterPatterns.sh
@@ -36,6 +36,7 @@ run_service_and_fetch_logs() {
     fi
 
     systemctl start "$unit"
+    journalctl --sync
     journalctl -q -u "$unit" -I -p notice
 }