Test room alias deletion (#11327)

* Prefer `HTTPStatus` over plain `int`

This is an Opinion that no-one has seemed to object to yet.

* `--disallow-untyped-defs` for `tests.rest.client.test_directory`
* Improve synapse's annotations for deleting aliases
* Test case for deleting a room alias
* Changelog

1 files changed, 3 insertions, 0 deletions

diff --git a/mypy.ini b/mypy.ini

index 56a62bb9b7..67dde5991b 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -271,6 +271,9 @@ disallow_untyped_defs = True
 [mypy-tests]
 disallow_untyped_defs = True
 
+[mypy-tests.rest.client.test_directory]
+disallow_untyped_defs = True
+
 ;; Dependencies without annotations
 ;; Before ignoring a module, check to see if type stubs are available.
 ;; The `typeshed` project maintains stubs here: