Add testing-time

Author: bouwew

tests/test_smile.py

@@ -3976,7 +3976,7 @@ async def test_connect_anna_heatpump_heating(self):
         # Now change some data and change directory reading xml from
         # emulating reading newer dataset after an update_interval
         self.smile_setup = "updated/anna_heatpump_heating"
-        await self.device_test(smile, testdata, initialize=False)
+        await self.device_test(smile, "2020-04-12 00:00:01", testdata, initialize=False)
         await smile.close_connection()
         await self.disconnect(server, client)