Fix test

Author: Tyler Goodlet

testing/test_pluginmanager.py

@@ -393,7 +393,7 @@ def he_method1(self, arg):
             outcome = yield
             res = outcome.get_result()
             assert res
-            assert res == [1, 2, 3] == l
+            assert res == [4, 3, 2] == l
 
     pm.register(Plugin1())
     pm.register(Plugin2())