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/BucketSearch.js

@@ -37,7 +37,7 @@ const mapDispatchToProps = dispatch => {
   return {
     onChange: filter => {
       dispatch(actionsBuckets.setFilter(filter))
-    },
+    }
   }
 }