fix test

Author: xsalonx

test/public/runs/runsPerLhcPeriod.overview.test.js

@@ -193,6 +193,7 @@ module.exports = () => {
         // First export
         await pressElement(page, EXPORT_RUNS_TRIGGER_SELECTOR, true);
         await page.waitForSelector('select.form-control', { timeout: 200 });
+        await page.waitForSelector('option[value=runNumber]', { timeout: 200 });
         await page.select('select.form-control', 'runQuality', 'runNumber', 'definition', 'lhcPeriod');
         await expectInnerText(page, '#send:enabled', 'Export');