Enable gateway tests w/ dab_jwt (#2150)

* Update proxy and enable gw tests.
* Handle invalid csrftokens.
* Add the ee_admin user to the proxy.
* More users.
* Handle downstream csrftokens.
* Append trailing slash on test url.

No-Issue


Signed-off-by: James Tanner <tanner.jc@gmail.com>

Author: jctanner

galaxy_ng/tests/integration/dab/test_url_resolution.py

@@ -13,7 +13,7 @@ def test_dab_collection_download_url_hostnames(settings, galaxy_client, publishe
     """
     gc = galaxy_client("admin")
     cv_url = 'v3/plugin/ansible/content/published/collections/index/'
-    cv_url += f'{published.namespace}/{published.name}/versions/{published.version}'
+    cv_url += f'{published.namespace}/{published.name}/versions/{published.version}/'
     cv_info = gc.get(cv_url)
     download_url = cv_info['download_url']
     assert download_url.startswith(gc.galaxy_root)