test: fix race in test_register_and_lookup_type_by_uppercase_name (#1712)

bdraco · web-flow · commit 91aa21d52a08 · 2026-05-17T17:45:54.000-07:00
diff --git a/tests/test_handlers.py b/tests/test_handlers.py
@@ -219,7 +219,11 @@ def test_register_and_lookup_type_by_uppercase_name(self):
         for _ in range(50):
             time.sleep(0.02)
             info.load_from_cache(zc)
-            if info.addresses:
+            # Wait for both A and TXT records — they arrive as separate
+            # cache updates and the listener may schedule the assertions
+            # between the two. Breaking on just `info.addresses` makes
+            # the test flaky under PyPy / skip_cython.
+            if info.addresses and info.properties:
                 break
         assert info.addresses == [socket.inet_pton(socket.AF_INET, "1.2.3.4")]
         assert info.properties == {b"version": b"1.0"}
