testing: use project_id from parsed credentials
testing: use project_id from parsed credentials

tcrognon/google-cloud-node,callmehiphop/gcloud-node,googleapis/google-cloud-node,jgeewax/gcloud-node,GoogleCloudPlatform/gcloud-node,ofrobots/google-cloud-node,jcking/google-cloud-node,googleapis/google-cloud-node,callmehiphop/gcloud-node,jcking/google-cloud-node,jcking/google-cloud-node,ofrobots/google-cloud-node,GoogleCloudPlatform/gcloud-node,jgeewax/gcloud-node,tcrognon/google-cloud-node,GoogleCloudPlatform/gcloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node,ofrobots/google-cloud-node