*: enable authorization.k8s.io/v1beta1 extensions for go tests

hack/test-go.sh

@@ -326,7 +326,7 @@ for (( i=0, j=0; ; )); do
   # KUBE_TEST_API sets the version of each group to be tested. KUBE_API_VERSIONS
   # register the groups/versions as supported by k8s. So KUBE_API_VERSIONS
   # needs to be the superset of KUBE_TEST_API.
-  KUBE_TEST_API="${apiVersion}" KUBE_API_VERSIONS="v1,autoscaling/v1,batch/v1,extensions/v1beta1,componentconfig/v1alpha1,metrics/v1alpha1" ETCD_PREFIX=${etcdPrefix} runTests "$@"
+  KUBE_TEST_API="${apiVersion}" KUBE_API_VERSIONS="v1,autoscaling/v1,batch/v1,extensions/v1beta1,componentconfig/v1alpha1,metrics/v1alpha1,authorization.k8s.io/v1beta1" ETCD_PREFIX=${etcdPrefix} runTests "$@"
   i=${i}+1
   j=${j}+1
   if [[ i -eq ${apiVersionsCount} ]] && [[ j -eq ${etcdPrefixesCount} ]]; then