Proxito: unskip test (#9559)

Ref #9557

readthedocs/proxito/tests/handler_404_urls.py

@@ -21,14 +21,18 @@
 def map_proxito_path(view_func):
 
     @wraps(view_func)
-    def inner_view(request, exception, *args, **kwargs):
+    def inner_view(request, *args, **kwargs):
         return view_func(
             request,
-            *args,
             proxito_path=request.path,
-            **kwargs,
         )
     return inner_view
 
 
 handler404 = map_proxito_path(ServeError404.as_view())
+
+# Patch URLs that call the `fast_404` view directly.
+for pattern in urlpatterns:
+    if getattr(pattern, "name", None) == "docs_detail_directory_indexing":
+        pattern.callback = handler404
+        break

readthedocs/proxito/tests/test_old_redirects.py

@@ -374,9 +374,6 @@ def test_redirect_exact(self):
             'http://project.dev.readthedocs.io/en/latest/tutorial/install.html',
         )
 
-    @pytest.mark.xfail(
-        reason="This is hitting fast_404 and not triggering the nginx handler in testing. It works in prod."
-    )
     def test_redirect_exact_looks_like_version(self):
         fixture.get(
             Redirect,