If for some reason (most likely incorrect TEST_SUITES var)
you end with an empty test suite, testimage will start the
target (qemu by default) and will run an empty suite, so
better have a check before starting the target.
[YOCTO #10979]
(From OE-Core rev: 8345f834a080737f03bee3f0c615dd9654401d93)
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
b61eee699d