Add test script to launch a single room app

test_scripts/test_launch_single_room_widget.py

@@ -0,0 +1,21 @@
+import asyncio
+import logging
+from typing import List, Optional
+
+import urwid
+
+from cheuph.euphoria.single_room_application import SingleRoomApplication
+
+logging.disable()
+
+def main():
+    loop = asyncio.get_event_loop()
+    main_loop = urwid.MainLoop(
+        SingleRoomApplication(),
+        event_loop=urwid.AsyncioEventLoop(loop=loop),
+    )
+
+    main_loop.run()
+
+if __name__ == "__main__":
+    main()