XCTests Failing on Physical Device: “Canceling tests due to timeout …”

Question

XCTests are failing with the message: *** Canceling tests due to timeout in Waiting for test process to check in... This just started coming up in the last few days

Answer 1

This is issue caused by an infinite loop in your code. I had the same error but I removed the piece of code causing the problem and it worked fine. xcode doesn't give you much info to work. Some causes might be a global var and a singleton pointing to each other