This allows inheriting suites or scenarios from eg. sysmocom/ dir, while still allowing to apply new suites and scenarios on top. Change-Id: Icecdae32d400a6b6da2ebf167c1c795f7a74ae96
This covers some unit tests for scenario module (Scenario class). Change-Id: I4c80047bb03ae8254c192057007fa7df84478605