Guard against no properties on entity
Guard against no properties on entity

It is possible to have an entity with no properties.
Make sure to cast property as an array when accessing it.

landrito/google-cloud-ruby,dazuma/google-cloud-ruby,qingling128/google-cloud-ruby,landrito/google-cloud-ruby,quartzmo/google-cloud-ruby,dazuma/google-cloud-ruby,CloudVLab/google-cloud-ruby,quartzmo/google-cloud-ruby,landrito/google-cloud-ruby,CloudVLab/google-cloud-ruby,quartzmo/google-cloud-ruby,CloudVLab/google-cloud-ruby,hxiong388/google-cloud-ruby,dazuma/google-cloud-ruby,blowmage/gcloud-ruby,dazuma/google-cloud-ruby,dazuma/google-cloud-ruby,yancya/gcloud-ruby,swcloud/google-cloud-ruby,googleapis/google-cloud-ruby,googleapis/google-cloud-ruby,hxiong388/google-cloud-ruby,gwmoura/gcloud-ruby,quartzmo/gcloud-ruby,qingling128/google-cloud-ruby,landrito/google-cloud-ruby,quartzmo/google-cloud-ruby,CloudVLab/google-cloud-ruby,dazuma/google-cloud-ruby,landrito/google-cloud-ruby,hxiong388/google-cloud-ruby,swcloud/google-cloud-ruby,quartzmo/google-cloud-ruby,swcloud/google-cloud-ruby,googleapis/google-cloud-ruby,qingling128/google-cloud-ruby,googleapis/google-cloud-ruby,googleapis/google-cloud-ruby,CloudVLab/google-cloud-ruby,qingling128/google-cloud-ruby,swcloud/google-cloud-ruby,hxiong388/google-cloud-ruby,quartzmo/google-cloud-ruby,googleapis/google-cloud-ruby