diff -ur encore-0.5.1.orig/encore/events/tests/test_event_manager.py encore-0.5.1/encore/events/tests/test_event_manager.py
--- encore/events/tests/test_event_manager.py	2014-01-06 22:40:24.000000000 +0800
+++ encore/events/tests/test_event_manager.py	2014-05-05 17:56:16.606026933 +0800
@@ -10,7 +10,7 @@
 import mock
 import weakref
 import threading
-
+import sys
 # Local imports.
 from encore.events.event_manager import EventManager, BaseEvent
 from encore.events.api import (get_event_manager, set_event_manager,
@@ -429,6 +429,7 @@
         self.evt_mgr.emit(BaseEvent())
         self.assertEqual(data, [1])
 
+    @unittest.skipIf(hasattr(sys, 'pypy_version_info'), "test written for py2 garbage collection methods")
     def test_method_weakref(self):
         """ Test if methods do not prevent garbage collection of objects.
         """
@@ -464,6 +465,7 @@
         self.evt_mgr.emit(obj)
         self.assertEqual(data, [1, 2])
 
+    @unittest.skipIf(hasattr(sys, 'pypy_version_info'), "test written for py2 garbage collection methods")
     def test_method_collect(self):
         """ Test if object garbage collection disconnects listener method.
         """
@@ -481,6 +483,7 @@
         self.assertEqual(data, [])
         self.assertEqual(len(list(self.evt_mgr.get_listeners(BaseEvent))), 0)
 
+    @unittest.skipIf(hasattr(sys, 'pypy_version_info'), "test written for py2 garbage collection methods")
     def test_method_disconnect(self):
         """ Test if method disconnect works.
         """