Expected behavior
Must validate the same 'Custom Feature Names'
Actual behavior
Can create duplicate 'Custom Features' with the same name
Steps to reproduce the problem
- Open the sites
- Login as a valid user (pat_monahan)
- In the Projects
- Click on a Project and go to Specification
- Click 'Add a custom feature'
- Enter name
- eg: Lorem ipsum
- Click Save Feature
- Click 'Add a custom feature'
- Enter name
- eg: Lorem ipsum
- Click Save Feature
- Check the List
Screenshot/Screencast/JS Log (If not attached here, Please check the comment section)

Environment
- Device(s): Laptop
- Browser(s): Chrome 53.0.2785.116 m, FF 49.0.1
- Operating System: Windows 7 Pro 64bit
- User Accounts: pat_monahan
- User Role: Manager