If you measure a navigation by clicking on an element and the element do not exists or somnething goes wrong, you can stop the measuerement and make sure no metrics is collected.
/**
+ * @param {import('browsertime').BrowsertimeContext} context
+ * @param {import('browsertime').BrowsertimeCommands} commands
+ */
+export default async function (context, commands) {
+
+ await commands.measure.start('my_trip');
+ try {
+ // do something that can break
+ await commands.mouse.singleClick.byLinkTextAndWait('Next page');
+ await commands.measure.stop();
+ } catch(error) {
+ await commands.measure.stopAsError('Could not click the next page link');
+ }
+ }