### Question:
Medias { public static String getSeparator() { return SEPARATOR; } private  Medias(); static synchronized Media create(String... path); static synchronized void setFactoryMedia(FactoryMedia factoryMedia); static synchronized void setResourcesDirectory(String directory); static synchronized void setLoadFromJar(Class<?> clazz); static synchronized Media get(File file); static synchronized List<Media> getByExtension(String extension, Media folder); static List<Media> getByExtension(File jar, String fullPath, int prefixLength, String extension); static Media getWithSuffix(Media media, String suffix); static synchronized String getResourcesDirectory(); static synchronized Optional<Class<?>> getResourcesLoader(); static synchronized File getJarResources(); static synchronized String getJarResourcesPrefix(); static String getSeparator();  }### Answer:
@Test void testSeparator() { assertEquals(Constant.SLASH, Medias.getSeparator()); }