- exclude this from unpredictable gc

diff --git a/test/ext/declarative/test_mixin.py b/test/ext/declarative/test_mixin.py
index b9e40421c77f69a8b9355e682eef93b530b82c1f..1f9fa1dfaf0c2b43067363c2ff4ba771c7af821b 100644 (file)
--- a/test/ext/declarative/test_mixin.py
+++ b/test/ext/declarative/test_mixin.py
@@ -1441,7 +1441,7 @@ class DeclaredAttrTest(DeclarativeTestBase, testing.AssertsCompiledSQL):
             "SELECT b.x AS b_x, b.x + :x_1 AS anon_1, b.id AS b_id FROM b"
         )
 
-
+    @testing.requires.predictable_gc
     def test_singleton_gc(self):
         counter = mock.Mock()