Add tests for cases where the rank characteristic, the size
characteristic and the lock characteristics are not set on the
set members.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>
Split the CSIP tests to multiple scripts to make them
more specific and able to run in parallel.
Signed-off-by: Emil Gydesen <emil.gydesen@nordicsemi.no>