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/browser/reducer.js

@@ -21,29 +21,29 @@ export default (
     sidebarOpen: false,
     storageInfo: {
       total: 0,
-      free: 0,
+      free: 0
     },
-    serverInfo: {},
+    serverInfo: {}
   },
-  action,
+  action
 ) => {
   switch (action.type) {
     case actionsCommon.TOGGLE_SIDEBAR:
       return Object.assign({}, state, {
-        sidebarOpen: !state.sidebarOpen,
+        sidebarOpen: !state.sidebarOpen
       })
     case actionsCommon.CLOSE_SIDEBAR:
       return Object.assign({}, state, {
-        sidebarOpen: false,
+        sidebarOpen: false
       })
     case actionsCommon.SET_STORAGE_INFO:
       return Object.assign({}, state, {
-        storageInfo: action.storageInfo,
+        storageInfo: action.storageInfo
       })
     case actionsCommon.SET_SERVER_INFO:
       return {
         ...state,
-        serverInfo: action.serverInfo,
+        serverInfo: action.serverInfo
       }
     default:
       return state