* Fix emulated_hue brightness off by one
Hue uses a max brightness of 254, Home Assistant
uses a max brightness of 255. Values > 127 were
off by one.
* use constant
* fix test
* add debug
* Revert "add debug"
This reverts commit 242220a02e8d8e9ec5e21930470b2adb97c75e2b.