cmocka: Print skipped tests in group summary

When running tests with standard output, information about skipped
tests can be useful, especially when there are many tests. This commit
add number of skipped tests and list of them to group summary.

Signed-off-by: Pawel Szewczyk <p.szewczyk@samsung.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
1 file changed