Add one case for connman sanity test. We check if connmand is running
in background after booting and if there is always one connmand process
running even connmand is executed by several times.
Signed-off-by Jiajun Xu <jiajun.xu@intel.com>
Add a test case for error log check with command dmesg in target. The
case introduces a new folder in target, "/opt/test", which holds test
scripts running in target.
Signed-off-by Jiajun Xu <jiajun.xu@intel.com>