That's been seen on libev-cext too, so go ahead and skip it there. [skip ci]

src/greentest/test___example_servers.py

@@ -14,7 +14,7 @@ from greentest import DEFAULT_XPC_SOCKET_TIMEOUT
 from greentest import util
 from greentest import params
 
-@greentest.skipOnLibuvOnCIOnPyPy("Timing issues sometimes lead to a connection refused")
+@greentest.skipOnCI("Timing issues sometimes lead to a connection refused")
 class Test_wsgiserver(util.TestServer):
     server = 'wsgiserver.py'
     URL = 'http://%s:8088' % (params.DEFAULT_LOCAL_HOST_ADDR,)