}
public void testSimpleFetchWithNamedKey_NameOnly() {
Key key = ds.put(Book.newBookEntity("named key", "max", "47", "yam"));
Book book = em.find(Book.class, key.getName());
assertNotNull(book);
String keyStr = KeyFactory.keyToString(key);
assertEquals(keyStr, book.getId());
assertEquals("max", book.getAuthor());
assertEquals("47", book.getIsbn());
assertEquals("yam", book.getTitle());
assertEquals("named key", KeyFactory.stringToKey(book.getId()).getName());
}