Test invitation acceptance on Github

@afrisalyp - We're concerned that the fixes here may not be working properly:

https://github.com/topcoder-platform/topcoder-x-ui/issues/111

Can you have a look and let me know please?

If you need help with setup to be able to test, let me know what you need and I'll work with Topcoder to get it for you.

Final Submission Guidelines

Git issue link: https://github.com/topcoder-platform/topcoder-x-ui/issues/294