Xcode: Build Failed, but no error messages

Question

Using Xcode 4.5.1. Our project has been building fine for the last three months, but suddenly, when I try to build, it says \"Build failed\", but does not show any errors on the

Answer 1

Try next scenario:

• Restart Xcode
• check that .swift file with test functions contains

import XCTest
class Tests: XCTestCase {
    //...
}

*If you have Cannot find viewcontroller in scope error -> remove classes from Test Target membership