Add UI tests

src/spec/scenarios/clearOldTopics.ts

@@ -0,0 +1,15 @@
+import { clickOn, sleep, writeText, expandTopic, moveToCenterOfElement } from '../util'
+import { Browser } from 'webdriverio'
+
+export async function clearOldTopics(browser: Browser<void>) {
+  const topics = ['hello', 'test 123']
+  for (const topic of topics) {
+    await expandTopic(topic, browser)
+    await sleep(1000)
+
+    const deleteButton = await browser.$('//button[contains(@title, "Delete retained topic")]')
+    await moveToCenterOfElement(deleteButton, browser)
+    await clickOn(deleteButton, browser)
+    await sleep(700)
+  }
+}