Fixed #31962 -- Made SessionMiddleware raise SessionInterrupted when session destroyed while request is processing.

tests/handlers/urls.py

@@ -10,6 +10,7 @@ urlpatterns = [
     path('streaming/', views.streaming),
     path('in_transaction/', views.in_transaction),
     path('not_in_transaction/', views.not_in_transaction),
+    path('bad_request/', views.bad_request),
     path('suspicious/', views.suspicious),
     path('malformed_post/', views.malformed_post),
     path('httpstatus_enum/', views.httpstatus_enum),