"Setting up profile generation failed"

Question

Xcode 7.3.1 is giving me this error when I try and run my UI tests:

The text is:

Setting up profile generation failed

Xcode could not generate profile information for bundle identifier (com.apple.test.XXXXXXXXUITests-Runner). The profile path was missing. The environment variables were valid.

Has anyone got any idea what might be causing this or how to fix it?

Gentoo

I am getting the same thing. I am currently blaming it on Xcode 8 install. I am curious if this showed up for you after installing 8 on you computer. – Diagnostician

Yes, it did—I also said xcode-select --switch /Applications/Xcode-beta.app on the command line. Try undoing that and see if that gets you anywhere. – Gentoo