Fix flaky test

Author: jy-tan

tests/unit/test_resilience.py

@@ -253,6 +253,9 @@ def test_reopens_on_failure_in_half_open(self):
         time.sleep(0.02)
         assert cb.state == CircuitState.HALF_OPEN
 
+        # Use a longer timeout before recording failure so circuit stays OPEN
+        # long enough to assert (the short 10ms timeout causes race conditions)
+        cb._config = CircuitBreakerConfig(failure_threshold=1, timeout_seconds=10.0)
         cb.record_failure()
         assert cb.state == CircuitState.OPEN