settingsFile << "rootProject.name = 'app'"
        def app = new IncrementalSwiftStaleCompileOutputApp()
        def outputDirectory = file("build/obj/main/debug")
        def outputs = createCompilationOutputs(outputDirectory)

        given:
        app.writeToProject(testDirectory)

        and:
        buildFile << """
            apply plugin: 'swift-application'
         """

        and: