prow/kube/dry_run_client.go
func (c *dryRunProwJobClient) DeleteCollection(options *metav1.DeleteOptions, listOptions metav1.ListOptions) error {
	return nil
}
func (c *dryRunProwJobClient) DeleteCollection(options *metav1.DeleteOptions, listOptions metav1.ListOptions) error {
	return nil
}
// DeleteCollection does nothing on a dry-run client