diff --git a/tests/domain/test_authz.py b/tests/domain/test_authz.py
index b1345059..2f450a82 100644
--- a/tests/domain/test_authz.py
+++ b/tests/domain/test_authz.py
@@ -182,18 +182,20 @@ def test_user_can_access_decorator_logs_access(
     monkeypatch.setattr(
         "atst.domain.authz.decorator.check_access", lambda *a, **k: True
     )
+    num_msgs = len(mock_logger.messages)
     _do_something()
-    assert len(mock_logger.messages) == 2
-    assert "accessed" in mock_logger.messages[1]
-    assert "GET" in mock_logger.messages[1]
+    assert len(mock_logger.messages) == num_msgs + 1
+    assert "accessed" in mock_logger.messages[-1]
+    assert "GET" in mock_logger.messages[-1]
 
     def _unauthorized(*a, **k):
         raise UnauthorizedError(user, "do something")
 
     monkeypatch.setattr("atst.domain.authz.decorator.check_access", _unauthorized)
+    num_msgs = len(mock_logger.messages)
     with pytest.raises(UnauthorizedError):
         _do_something()
 
-    assert len(mock_logger.messages) == 3
-    assert "denied access" in mock_logger.messages[2]
-    assert "GET" in mock_logger.messages[2]
+    assert len(mock_logger.messages) == num_msgs + 1
+    assert "denied access" in mock_logger.messages[-1]
+    assert "GET" in mock_logger.messages[-1]