add tests for improvement categories

website/src/controllers/api-v2/user.js

@@ -355,7 +355,15 @@ api.update = (req, res, next) => {
 
   user.save((err) => {
     if (!_.isEmpty(errors)) return res.json(401, {err: errors});
-    if (err) return next(err);
+    if (err) {
+      if (err.name == 'ValidationError') {
+        let errorMessages = _.map(_.values(err.errors), (error) => {
+          return error.message;
+        });
+        return res.json(400, {err: errorMessages});
+      }
+      return next(err);
+    }
 
     res.json(200, user);
     user = errors = null;

website/src/models/user.js

@@ -395,7 +395,7 @@ var UserSchema = new Schema({
       type: Array,
       validate: (categories) => {
         const validCategories = ['work', 'exercise', 'healthWellness', 'school', 'teams', 'chores', 'creativity'];
-        let isValidCategory = categories.every(category => validValues.indexOf(category) !== -1);
+        let isValidCategory = categories.every(category => validCategories.indexOf(category) !== -1);
         return isValidCategory;
     }}
   },