empty deferred mapper configs at start of deferred reflection test

Change-Id: I905899281c478cbb7b73e1b31e97716372498157

diff --git a/test/ext/declarative/test_reflection.py b/test/ext/declarative/test_reflection.py
index c327de7d4ff5804c570f913b541d9f7cb09af862..0b079055cd2e565a009e3ca061d532f6de390087 100644 (file)
--- a/test/ext/declarative/test_reflection.py
+++ b/test/ext/declarative/test_reflection.py
@@ -25,6 +25,8 @@ class DeclarativeReflectionBase(fixtures.TablesTest):
     def setup_test(self):
         global Base, registry
 
+        _DeferredMapperConfig._configs.clear()
+
         registry = decl.registry()
         Base = registry.generate_base()