Add UI tests

src/spec/scenarios/showMenu.ts

@@ -0,0 +1,21 @@
+import { clickOn, sleep, writeText, expandTopic, moveToCenterOfElement } from '../util'
+import { Browser } from 'webdriverio'
+
+export async function showMenu(browser: Browser<void>) {
+  const menuButton = await browser.$('//button[contains(@aria-label, "Menu")]')
+  await clickOn(menuButton, browser)
+
+  const brokerStatistics = await browser.$('//div[contains(@class, "BrokerStatistics")]/div[4]')
+  moveToCenterOfElement(brokerStatistics, browser)
+  await sleep(2000)
+
+  const topicOrder = await browser.$('#select-node-order')
+  await clickOn(topicOrder, browser)
+  await sleep(1000)
+
+  const alphabetically = await browser.$('//li[contains(@data-value, "abc")]')
+  await clickOn(alphabetically, browser)
+  await sleep(2000)
+
+  await clickOn(menuButton, browser)
+}