Update the installed_OS_is_openembedded check to drop the quotes
in the VERSION_ID string to match f451c68667cca of openembedded-core.
Without this fix, all tests are reported as "notapplicable".
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>