Xcode 9 - Could not attach to pid for Frameworks unit tests

Question

I am getting the following error after migrating from one mac to another using time machine.

Could not attach to pid

Ensure "project title"

Answer 1

You can try some following steps -

1. Open the keyChain and check the Keychain certificates and delete the existing ones which are expired.
   2. Uncheck the - automatically manage sign in from Xcode project settings.
   3. Delete any derived data
   4. Clean the project by cmd+k
   5. Then Close and Restart the project and Run...

I hope it will work.