Use test_framework as unified tag so we can filter tests in a consistent way. Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Adding exemplary pytest shell test to show possibilities of new pytest plugin. This test uses bidirectional communication between tester and device under test. Signed-off-by: Grzegorz Chwierut <grzegorz.chwierut@nordicsemi.no>