Create user with expiry

- Add unittests for client, api and handler

Signed-off-by: Negar Fazeli <negar.fazeli@ericsson.com>

tests/utils.py

@@ -49,6 +49,7 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
         config.event_cache_size = 1
         config.enable_registration = True
         config.macaroon_secret_key = "not even a little secret"
+        config.expire_access_token = False
         config.server_name = "server.under.test"
         config.trusted_third_party_id_servers = []
         config.room_invite_state_types = []