@Test
public void testConfigure() throws Exception {

	File keytab = tempFolder.newFile();
	KeytabOverlay overlay = new KeytabOverlay(keytab);
	ContainerSpecification spec = new ContainerSpecification();
	overlay.configure(spec);
	assertEquals(TARGET_PATH.getPath(), spec.getDynamicConfiguration().getString(SecurityOptions.KERBEROS_LOGIN_KEYTAB));
	checkArtifact(spec, TARGET_PATH);
}