tests-extra/nsec_update: add a comment

9acda2f9 · Daniel Salzman · 29e4f4f5 · 9acda2f9
Commit 9acda2f9 authored 7 years ago by Daniel Salzman
--- a/tests-extra/tests/dnssec/nsec_update/test.py
+++ b/tests-extra/tests/dnssec/nsec_update/test.py
@@ -36,7 +36,7 @@ master.flush()
 t.sleep(2)
 for zone in zones:
    master.random_ddns(zone)
-t.sleep(4)
+t.sleep(4) # zones_wait fails if an empty update is generated

 # sync slave with current master's state
 slave.ctl("zone-refresh")