container.getInstance(FileManagerFactory.class).setReloadingConfigs("true");
final String filename = "com/opensymphony/xwork2/config/providers/xwork-test-actions.xml";
ConfigurationProvider provider = buildConfigurationProvider(filename);
container.getInstance(FileManagerFactory.class).setReloadingConfigs("true");
assertTrue(!provider.needsReload()); // Revision exists and timestamp didn't change
File file = new File(getClass().getResource("/" + filename).toURI());
assertTrue("not exists: " + file.toString(), file.exists());
changeFileTime(file);