file('src/test/groovy/ServletApiTest.groovy') << '''
            import org.junit.Test

            public class ServletApiTest {

                @Test
                public void canLoadNewerServletApi() {
                    Class clazz = Class.forName("javax.servlet.AsyncContext")
                    URL source = clazz.classLoader.getResource("javax/servlet/http/HttpServletRequest.class")