Revert "Bypass xcpretty to allow diagnosing unit test hang"
Revert "Bypass xcpretty to allow diagnosing unit test hang"

This reverts commit a9e67d618fcbcccef929de0be0e434bc45deccdb.

bugsnag/bugsnag-cocoa,bugsnag/bugsnag-cocoa,bugsnag/bugsnag-cocoa,bugsnag/bugsnag-cocoa