outputDirectory.assertHasDescendants(expectedIntermediateDescendants(app.library.original))

        when:
        app.library.applyChangesToProject(file('greeter'))
        app.application.applyChangesToProject(file('app'))
        succeeds "assemble"

        then:
        result.assertTasksExecuted(assembleAppAndLibTasks, ":assemble")

        then:
        result.assertTasksExecuted(tasks.debug.compile, tasks.test.allToInstall, ":xcTest", ":test")
        testBundle.assertTestCasesRan(testExecutionResult)

        when:
        testBundle.applyChangesToProject(testDirectory)
        succeeds("test")

        then:
        result.assertTasksExecuted(tasks.debug.compile, tasks.test.allToInstall, ":xcTest", ":test")