fix private method access in tests

Author: titusfortner

py/test/unit/selenium/webdriver/remote/remote_connection_tests.py

@@ -50,26 +50,26 @@ def test_get_remote_connection_headers_adds_keep_alive_if_requested():
 def test_get_proxy_url_http(mock_proxy_settings):
     proxy = "http://http_proxy.com:8080"
     remote_connection = RemoteConnection("http://remote", keep_alive=False)
-    proxy_url = remote_connection._get_proxy_url()
+    proxy_url = remote_connection._client_config.get_proxy_url()
     assert proxy_url == proxy
 
 
 def test_get_proxy_url_https(mock_proxy_settings):
     proxy = "http://https_proxy.com:8080"
     remote_connection = RemoteConnection("https://remote", keep_alive=False)
-    proxy_url = remote_connection._get_proxy_url()
+    proxy_url = remote_connection._client_config.get_proxy_url()
     assert proxy_url == proxy
 
 
 def test_get_proxy_url_none(mock_proxy_settings_missing):
     remote_connection = RemoteConnection("https://remote", keep_alive=False)
-    proxy_url = remote_connection._get_proxy_url()
+    proxy_url = remote_connection._client_config.get_proxy_url()
     assert proxy_url is None
 
 
 def test_get_proxy_url_http_auth(mock_proxy_auth_settings):
     remote_connection = RemoteConnection("http://remote", keep_alive=False)
-    proxy_url = remote_connection._get_proxy_url()
+    proxy_url = remote_connection._client_config.get_proxy_url()
     raw_proxy_url, basic_auth_string = remote_connection._separate_http_proxy_auth()
     assert proxy_url == "http://user:password@http_proxy.com:8080"
     assert raw_proxy_url == "http://http_proxy.com:8080"
@@ -78,7 +78,7 @@ def test_get_proxy_url_http_auth(mock_proxy_auth_settings):
 
 def test_get_proxy_url_https_auth(mock_proxy_auth_settings):
     remote_connection = RemoteConnection("https://remote", keep_alive=False)
-    proxy_url = remote_connection._get_proxy_url()
+    proxy_url = remote_connection._client_config.get_proxy_url()
     raw_proxy_url, basic_auth_string = remote_connection._separate_http_proxy_auth()
     assert proxy_url == "https://user:password@https_proxy.com:8080"
     assert raw_proxy_url == "https://https_proxy.com:8080"