Do not call update() in constructor (#8892)

tests/components/sensor/test_command_line.py

@@ -26,7 +26,7 @@ class TestCommandSensorSensor(unittest.TestCase):
                   }
         devices = []
 
-        def add_dev_callback(devs):
+        def add_dev_callback(devs, update):
             """Add callback to add devices."""
             for dev in devs:
                 devices.append(dev)
@@ -35,6 +35,7 @@ class TestCommandSensorSensor(unittest.TestCase):
 
         self.assertEqual(1, len(devices))
         entity = devices[0]
+        entity.update()
         self.assertEqual('Test', entity.name)
         self.assertEqual('in', entity.unit_of_measurement)
         self.assertEqual('5', entity.state)
@@ -57,6 +58,7 @@ class TestCommandSensorSensor(unittest.TestCase):
             self.hass, data, 'test', 'in',
             Template('{{ value | multiply(0.1) }}', self.hass))
 
+        entity.update()
         self.assertEqual(5, float(entity.state))
 
     def test_bad_command(self):