For compatibility adds default inherit of the new class testsdk
for now, we need to review the code base.
(From OE-Core rev: a9861f6a0fd10c2a56129f2f0a7cdd806912290f)
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>