@Test
    public void application_preprocessor_is_run() throws Exception {
        String servicesXml = "<services xmlns:preprocess=\"properties\">" + //
                "<preprocess:properties>" + //
                "<container_id>container-1</container_id>" + //
                "</preprocess:properties>" + //
                "<container id=\"${container_id}\" version=\"1.0\" />" + //
                "</services>";

        StandaloneContainer.withContainerModel(servicesXml, root -> {
            assertTrue(root.getConfigProducer("container-1/standalone").isPresent());
            return null;
        });
    }
@author Tony Vaagenes
@author gjoranv
@author ollivir
standalone-container/src/test/java/com/yahoo/container/standalone/StandaloneContainerTest.java