tests: Add system information to test output
Add image git revision, kernel version and device tree model to test output. This makes the sole output of test run more useful:
=============================================================================================== test session starts ===============================================================================================
platform linux -- Python 3.7.3rc1, pytest-3.10.1, py-1.7.0, pluggy-0.8.0
model: Purism Librem 5 devkit
kernel: Linux pureos 5.2.0-rc3-next-20190604-00043-g017a54cb5183 #1 SMP PREEMPT Tue Jun 4 11:25:19 CEST 2019 aarch64 GNU/Linux
image gitrev: 86aa13d4c1cb7f46ff4ebdf6695844d4aed7c4dc
rootdir: /home/purism/build/librem5-devkit-tools, inifile:
collected 9 items
...
Edited by Guido Gunther