Mock request object

Making reference to the `batman.id` value for the primary key in the
request object was causing PostgreSQL tests to hang. This commit matches
the way that the request object is being mocked in the
`test_models_actions` file. Local tests with a PostgreSQL instance built
in Docker are now working.

tests/test_models.py

@@ -384,7 +384,7 @@ def list_query(self, request: Request) -> Select:
 
 async def test_edit_form_query() -> None:
     session = session_maker()
-    batman = User(name="batman")
+    batman = User(id=123, name="batman")
     batcave = Address(user=batman, name="bat cave")
     wayne_manor = Address(user=batman, name="wayne manor")
     session.add(batman)
@@ -405,8 +405,13 @@ def edit_form_query(self, request: Request) -> Select:
             )
 
     view = UserAdmin()
-    request = Request({"type": "http", "path_params": {"pk": batman.id}})
-    user_obj = await view.get_object_for_edit(request)
+
+    class RequestObject(object):
+        pass
+
+    request_object = RequestObject()
+    request_object.path_params = {"pk": 123}
+    user_obj = await view.get_object_for_edit(request_object)
 
     assert len(user_obj.addresses) == 1