Open Xcode and go to File | New | Project. Navigate to iOS | Application | Single View App, and click on Next. Put in the name FirstDemo, select the language Swift, and check Include Unit Tests. Uncheck Use Core Data and Include UI Tests, and click on Next. The following screenshot shows the options in Xcode:
Xcode sets up a project ready for development in addition to a test target for your unit tests. Open the FirstDemoTests folder in the Project Navigator. Within the folder, there are two files: FirstDemoTests.swift and Info.plist. Select FirstDemoTests.swift to open it in the editor.
What you see here is ...
