Issue Summary

Adding external users to a test policy (in the External User Security Policy feature) failed with User not found error.

Steps to Reproduce

1. Add Guests Confluence user to your Site
2. Give them Confluence access
3. Then attempt to add a user to an existing Test policy

Expected Results

Guests external user could be added to the Test policy successfully.

Actual Results

Guests external user could not be added to the Test policy with User not found error.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available