Add unit test for appservice_handler.query_room_alias_exists
Add unit test for appservice_handler.query_room_alias_exists

illicitonion/synapse,matrix-org/synapse,howethomas/synapse,TribeMedia/synapse,TribeMedia/synapse,iot-factory/synapse,rzr/synapse,matrix-org/synapse,howethomas/synapse,TribeMedia/synapse,howethomas/synapse,matrix-org/synapse,iot-factory/synapse,howethomas/synapse,iot-factory/synapse,howethomas/synapse,TribeMedia/synapse,TribeMedia/synapse,rzr/synapse,rzr/synapse,iot-factory/synapse,matrix-org/synapse,rzr/synapse,illicitonion/synapse,iot-factory/synapse,illicitonion/synapse,illicitonion/synapse,rzr/synapse,illicitonion/synapse,matrix-org/synapse,matrix-org/synapse