Unreproducible test failures on PyPy3 an CI

src/greentest/greentest.py

@@ -113,6 +113,14 @@ else:
             return f
         return dec
 
+if PYPY and PY3 and RUNNING_ON_CI:
+    # Same as above, for PyPy3.3-5.5-alpha
+    skipOnPyPy3OnCI = unittest.skip
+else:
+    def skipOnPyPy3OnCI(reason):
+        def dec(f):
+            return f
+        return dec
 
 class ExpectedException(Exception):
     """An exception whose traceback should be ignored"""

src/greentest/known_failures.py

@@ -158,6 +158,14 @@ if PYPY:
 
     ]
 
+    if PY3 and TRAVIS:
+        FAILING_TESTS += [
+            ## ---
+
+            ## Unknown; can't reproduce locally on OS X
+            'FLAKY test_subprocess.py', # timeouts on one test.
+        ]
+
 
 if PY26:
     FAILING_TESTS += [

src/greentest/test__refcount.py

@@ -136,7 +136,8 @@ def run_and_check(run_client):
         raise AssertionError('server should be dead by now')
 
 
-@greentest.skipOnAppVeyor("Often fail with timeouts; not sure why")
+@greentest.skipOnAppVeyor("Often fail with timeouts; not sure why.")
+@greentest.skipOnPyPy3OnCI("Often fails with timeouts; not sure why.")
 class Test(greentest.TestCase):
 
     def test_clean_exit(self):