Improve UsernamePickerTestCase (#9112)

* make the OIDC bits of the test work at a higher level - via the REST api instead of poking the OIDCHandler directly.
* Move it to test_login.py, where I think it fits better.

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/rest/client/v2_alpha/test_auth.py b/tests/rest/client/v2_alpha/test_auth.py

index 50630106ad..3e8661f9b9 100644
--- a/tests/rest/client/v2_alpha/test_auth.py
+++ b/tests/rest/client/v2_alpha/test_auth.py
@@ -411,7 +411,7 @@ class UIAuthTests(unittest.HomeserverTestCase):
         # run the UIA-via-SSO flow
         session_id = channel.json_body["session"]
         channel = self.helper.auth_via_oidc(
-            remote_user_id=remote_user_id, ui_auth_session_id=session_id
+            {"sub": remote_user_id}, ui_auth_session_id=session_id
         )
 
         # that should serve a confirmation page