in zuul-status/zuul-status.js [186:195]
async _getReponse(change, revision) {
if (!change || !revision) return false;
const url = this.zuulTenant === null ?
`${this.zuulUrl}${change._number},${revision._number}` :
`${this.zuulUrl}/api/tenant/${this.zuulTenant}/status/change/${change._number},${revision._number}`;
const options = {method: 'GET'};
return await fetch(url, options);
}