This tests adds a check of selftest itself to verify if can
add test from other layers.
[YOCTO #9770]
(From OE-Core rev: 4fe4c408246b9a4a563106d097876e6caefca694)
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Jose Perez Carranza <jose.perez.carranza@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
