key = manager.modulesKeys.get(new ModulesKey("D", null));
assertEquals(key, new ModulesKey("D", null));
assertEquals(key.file, new File("W.py"));
assertTrue(key instanceof ModulesKeyForZip);
ModulesKeyForZip kz = (ModulesKeyForZip) key;
assertTrue(kz.isFile);
assertEquals(kz.zipModulePath, "E");
}