def test_ssl_options(self):
app = KernelGatewayApp()
ssl_options = app._build_ssl_options()
self.assertIsNone(ssl_options)
app = KernelGatewayApp()
os.environ['KG_CERTFILE'] = '/test/fake.crt'
ssl_options = app._build_ssl_options()
self.assertEqual(ssl_options['ssl_version'], 5)
