Fix failing unit tests in browser (#5688)

* format js files using prettier

Used the following command to format the files
prettier --write "browser/app/js/**/*.js"

* fix failing unit tests in browser

browser/app/js/buckets/Bucket.js

@@ -23,7 +23,7 @@ export const Bucket = ({ bucket, isActive, selectBucket }) => {
     <div
       className={classNames({
         buckets__item: true,
-        "buckets__item--active": isActive,
+        "buckets__item--active": isActive
       })}
       onClick={e => {
         e.preventDefault()