Skip SSL-free tests if not on SSL matrix

jupyterhub/tests/test_proxy.py

@@ -9,12 +9,12 @@ from urllib.parse import urlparse
 import pytest
 from traitlets.config import Config
 
-from .. import orm
 from ..utils import url_path_join as ujoin
 from ..utils import wait_for_http_server
 from .mocking import MockHub
 from .test_api import add_user
 from .test_api import api_request
+from .utils import skip_if_ssl
 
 
 @pytest.fixture
@@ -27,6 +27,7 @@ def disable_check_routes(app):
         app.last_activity_callback.start()
 
 
+@skip_if_ssl
 async def test_external_proxy(request):
     auth_token = 'secret!'
     proxy_ip = '127.0.0.1'