diff --git a/graphene/relay/tests/test_node.py b/graphene/relay/tests/test_node.py
index 421ef695..97d2936b 100644
--- a/graphene/relay/tests/test_node.py
+++ b/graphene/relay/tests/test_node.py
@@ -10,6 +10,9 @@ from ..node import Node
 
 class SharedNodeFields(AbstractType):
 
+    class Meta:
+        interfaces = (Node, )
+
     shared = String()
     something_else = String()
 
@@ -31,9 +34,6 @@ class MyNode(ObjectType):
 class MyOtherNode(SharedNodeFields, ObjectType):
     extra_field = String()
 
-    class Meta:
-        interfaces = (Node, )
-
     def resolve_extra_field(self, *_):
         return 'extra field info.'