Skip test_ident in Jython.

Author: ajdavis

test/test_thread_util.py

@@ -54,6 +54,9 @@ class TestIdent(unittest.TestCase):
  child's callback was not
  """
  def _test_ident(self, use_greenlets):
+ if 'java' in sys.platform:
+ raise SkipTest("Can't rely on weakref callbacks in Jython")
+
  ident = thread_util.create_ident(use_greenlets)
 
  ids = set([ident.get()])