Add missing bash settings

Missing this line caused that the test was not skipped if
oscap-chrootable was not built.

Author: jan-cerny

tests/probes/yamlfilecontent/test_probes_yamlfilecontent_offline_mode.sh

@@ -2,6 +2,8 @@
 
 . $builddir/tests/test_common.sh
 
+set -e -o pipefail
+
 function test_probes_yamlfilecontent_offline_mode {
 
     probecheck "yamlfilecontent" || return 255