Fix incorrect state updates in FakeTestProtocols (#861)

kasa/iot/iotbulb.py

@@ -182,6 +182,7 @@ class IotBulb(IotDevice, Bulb):
         50
         >>> preset.brightness = 100
         >>> asyncio.run(bulb.save_preset(preset))
+        >>> asyncio.run(bulb.update())
         >>> bulb.presets[0].brightness
         100
 

kasa/iot/iotstrip.py

@@ -66,6 +66,7 @@ class IotStrip(IotDevice):
         >>> strip.is_on
         True
         >>> asyncio.run(strip.turn_off())
+        >>> asyncio.run(strip.update())
 
         Accessing individual plugs can be done using the `children` property: