diff --git a/modules/users/tests/server/user.server.model.tests.js b/modules/users/tests/server/user.server.model.tests.js
index 66890671..c0ad1eee 100644
--- a/modules/users/tests/server/user.server.model.tests.js
+++ b/modules/users/tests/server/user.server.model.tests.js
@@ -92,6 +92,54 @@ describe('User Model Unit Tests:', function () {
       });
     });
 
+    it('should be able to update an existing user with valid roles without problems', function (done) {
+      var _user = new User(user);
+
+      _user.save(function (err) {
+        should.not.exist(err);
+        _user.roles = ['user', 'admin'];
+        _user.save(function (err) {
+          should.not.exist(err);
+          _user.remove(function (err) {
+            should.not.exist(err);
+            done();
+          });
+        });
+      });
+    });
+
+    it('should be able to show an error when trying to update an existing user without a role', function (done) {
+      var _user = new User(user);
+
+      _user.save(function (err) {
+        should.not.exist(err);
+        _user.roles = [];
+        _user.save(function (err) {
+          should.exist(err);
+          _user.remove(function (err) {
+            should.not.exist(err);
+            done();
+          });
+        });
+      });
+    });
+
+    it('should be able to show an error when trying to update an existing user with a invalid role', function (done) {
+      var _user = new User(user);
+
+      _user.save(function (err) {
+        should.not.exist(err);
+        _user.roles = ['invalid-user-role-enum'];
+        _user.save(function (err) {
+          should.exist(err);
+          _user.remove(function (err) {
+            should.not.exist(err);
+            done();
+          });
+        });
+      });
+    });
+
     it('should confirm that saving user model doesnt change the password', function (done) {
       var _user = new User(user);