Fix
* Use fromutctimestamp for stable tests ([`c1e574c`](https://github.com/Bluetooth-Devices/xiaomi-ble/commit/c1e574c7a3e3eed98ee061764efc37599b9c251b))
* Give all tests right MAc, so validation passes on linux ([`da76a1d`](https://github.com/Bluetooth-Devices/xiaomi-ble/commit/da76a1dbad06e8eb0c990355d4b84dee3db23860))
* Get remaining tests working ([`8a042e4`](https://github.com/Bluetooth-Devices/xiaomi-ble/commit/8a042e4e2ef64151b6ad1db45ba9164d97a536cb))