final TestFile classesDir = temporaryFolder.createDir('classes')

    def "code generation is deterministic regardless of type processing order"() {
        given:
        withAnnotatedType 'Foo'
        withAnnotatedType 'Bar'
        def annotatedTypes = ['my.Foo', 'my.Bar']

        when:
        DiagnosticCollector<JavaFileObject> diagnostics = processAnnotationsOf(annotatedTypes)

        then: