Add sleep

__tests__/setup/conditions/mediaBuffered.js

@@ -1,13 +1,19 @@
 import { Condition } from 'selenium-webdriver';
 
 export default function mediaBuffered(mediaElement) {
-  return new Condition('for audio to finish loading', driver =>
-    driver.executeScript(mediaElement => {
+  return new Condition('for audio to finish buffering', async driver => {
+    const result = await driver.executeScript(mediaElement => {
       return (
         mediaElement.readyState === HTMLMediaElement.HAVE_ENOUGH_DATA &&
         mediaElement.buffered.length &&
         mediaElement.buffered.end(0) === mediaElement.duration
       );
-    }, mediaElement)
-  );
+    }, mediaElement);
+
+    // TODO: If the result is positive, audio finished buffering, we still need to wait for an unknown time to refresh the UI.
+    //       Will be great if we can remove this sleep.
+    result && (await driver.sleep(2000));
+
+    return result;
+  });
 }