Add jib-gradle to priviledged

This will add jib-gradle to priviledged as this task
needs to be run as non-root

Fix upstream tektoncd#214
added to run as root

openshift/e2e-tests-openshift.sh

@@ -14,7 +14,7 @@ source $(dirname $0)/../test/e2e-common.sh
 cd $(dirname $(readlink -f $0))/..
 
 # Give these tests the priviliged rights
-PRIVILEGED_TESTS="buildah kaniko s2i buildpacks"
+PRIVILEGED_TESTS="buildah buildpacks jib-gradle kaniko s2i"
 
 # Skip Those
 SKIP_TESTS=""