const testLines = async (cfg) => { const { test: t, fetchLines, validate, query, } = cfg const res = await fetchLines(query) const { lines, realtimeDataUpdatedAt, } = res for (let i = 0; i < res.lines.length; i++) { const l = res.lines[i] const name = `res.lines[${i}]` validate(t, l, 'line', name) } validate(t, realtimeDataUpdatedAt, 'realtimeDataUpdatedAt', 'res.realtimeDataUpdatedAt') } export { testLines, }