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[tests] fix flakiness in publish meshcop service test (#13170)

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Increase wait delay after starting the OTBR service in the
test_publish_meshcop_service.py script.

Starting otbr-agent requires the node to re-attach to the simulated
Thread network and transition to the leader role. In virtualized CI
environments, this role transition can take up to 14.5 seconds. Using
a hardcoded 10-second delay results in a race condition where the
service is published very late, causing the subsequent browse query to
miss the service and fail with AssertionError.

Substituting the delay with BORDER_ROUTER_STARTUP_DELAY (20s) ensures
the node has sufficient time to attach, become leader, start the border
agent, and fully register the mDNS service before browsing.
This commit is contained in:
Jonathan Hui
2026-05-28 13:46:28 -07:00
committed by GitHub
parent eac46963bb
commit 9bd35de29a
1 changed files with 1 additions and 1 deletions
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tests/scripts/thread-cert/border_router/test_publish_meshcop_service.py
+1 -1
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@@ -172,7 +172,7 @@ class PublishMeshCopService(thread_cert.TestCase):
self.simulator.go(5)
self.assertEqual(len(host.browse_mdns_services('_meshcop._udp')), 1)
br1.start_otbr_service()
self.simulator.go(10)
self.simulator.go(config.BORDER_ROUTER_STARTUP_DELAY)
br1.enable_border_agent()
self.simulator.go(5)
self.assertEqual(len(host.browse_mdns_services('_meshcop._udp')), 2)