small refactor for ember actions

spec/models/user_spec.rb

@@ -12,4 +12,15 @@ describe User do
       user.supplier_name.should == I18n.t('user.unknown_supplier_name')
     end
   end
+
+  describe '#friends_name' do
+    it "displays the auth data nickname if available" do
+      user.auth_data = {'info' => {'name' => 'Benji setup', 'nickname' => 'Benji'}}
+      user.friends_name.should == 'Benji'
+    end
+
+    it 'falls back to unkown if not present' do
+      user.friends_name.should == ''
+    end
+  end
 end