# HG changeset patch
# Parent b0361945c44fafce3f19c277513ff17cc0a6b365
# User Jezreel Ng <jezreel@gmail.com>
Modify test to account for arbitrary element return order.


diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -513,19 +513,17 @@ class TestCollectionABCs(ABCTestCase):
             'add', 'discard')
 
     def test_issue_5647(self):
         # MutableSet.__iand__ mutated the set during iteration
         s = WithSet('abcd')
         s &= WithSet('cdef')            # This used to fail
         self.assertEqual(set(s), set('cd'))
 
-    @unittest.skipIf(test_support.is_jython, "FIXME: doesn't work in Jython")
     def test_issue_4920(self):
-        # MutableSet.pop() method did not work
         class MySet(collections.MutableSet):
             __slots__=['__s']
             def __init__(self,items=None):
                 if items is None:
                     items=[]
                 self.__s=set(items)
             def __contains__(self,v):
                 return v in self.__s
@@ -538,18 +536,19 @@ class TestCollectionABCs(ABCTestCase):
                 self.__s.add(v)
                 return result
             def discard(self,v):
                 result=v in self.__s
                 self.__s.discard(v)
                 return result
             def __repr__(self):
                 return "MySet(%s)" % repr(list(self))
-        s = MySet([5,43,2,1])
-        self.assertEqual(s.pop(), 1)
+        values = [5,43,2,1]
+        s = MySet(values)
+        self.assertIn(s.pop(), values)
 
     def test_issue8750(self):
         empty = WithSet()
         full = WithSet(range(10))
         s = WithSet(full)
         s -= s
         self.assertEqual(s, empty)
         s = WithSet(full)