updating tests

Author: maxwellflitton

tests/unit_tests/connections/batch_async/test_async_ws.py

@@ -35,7 +35,7 @@ async def test_batch(self):
 
             outcome = [t.result() for t in tasks]
             self.assertEqual([0, 1, 4, 9, 16], outcome)
-
+        await self.connection.close()
 
 
 if __name__ == "__main__":