“No such module” when using @testable in Xcode Unit tests

I recently updated to Xcode 7 beta 5. I tried adding a unit test to an earlier project, but I am getting the error message “No such module [myModuleName]” on the @testable import myModuleName line.

I tried

• cleaning the project with Option Clean Build Folder
• checking that “Enable Testability” (debug) was set to Yes in the Build Options
• deleting the tests target and then re-adding the iOS Unit testing bundle

None of this worked for this project (but I have gotten testing to work in another project). Has anyone else had this problem and solved it?

Please check your Module Name that you try to import with @testable import "ModuleName". The module name should be the same on Target->Build Settings-> Product Module Name