@Test
    public void Html_template_is_loaded_from_file() {
        SimpleMailNotificationService service = new SimpleMailNotificationService(config, new QuteTemplateEngine(config));
        EmailNotificationTemplate tpl = service.findTemplateFor("test.notification", Locale.forLanguageTag("crs")).orElseThrow();

        assertThat(tpl.getHtmlBody())
                .isEqualTo("<html lang=\"crs\">\n"
                                   + "Koste Seselwa\n"
                                   + "</html>");
    }
@author Marc Savy {@literal <marc@blackparrotlabs.io>}
manager/test/api/src/test/java/io/apiman/manager/api/notifications/email/SimpleMailNotificationServiceTest.java