diff --git a/tests/test_module_load.py b/tests/test_module_load.py
index 2a60864b54..ee5de56ace 100644
--- a/tests/test_module_load.py
+++ b/tests/test_module_load.py
@@ -5,7 +5,8 @@
 class TestModule:
     static_variable = 123
 
-    def __init__(self):
+    @classmethod
+    def setup_class(self):
         self.instance_variable = 321
 
     def post_config_hook(self):