if client.APIHost == "" || client.AuthToken == "" {
diag.errorf("ARVADOS_API_HOST and ARVADOS_API_TOKEN environment variables are not set -- aborting without running any tests")
if client.APIHost == "" || client.AuthToken == "" {
diag.errorf("ARVADOS_API_HOST and ARVADOS_API_TOKEN environment variables are not set -- aborting without running any tests")