What version are you running?
3.0.6
What's the URL of the page containing the problem?
Any review request draft
What steps will reproduce the problem?

make some valid edits in the "testing done" field
edit reviewers field with invalid values
notice the error message and the reviewers field returning to a correct state
both publish and discard buttons are grayed out
I should be able to publish the changes I made in the testing done field


What is the expected output? What do you see instead?

What operating system are you using? What browser?
Firefox on Linux
Please provide any additional information below.