### Question:
BookingDaoESImp extends BaseDaoESImp implements BookingDao { @Override public void unlockBooking() throws IOException { DeleteRequest deleteRequest = new DeleteRequest(this.bookingsIndex); deleteRequest.type(ES_TYPE); deleteRequest.id(LOCK_BOOKING_ID); this.esclient.delete(deleteRequest); } BookingDaoESImp();  BookingDaoESImp(Properties properties); @Override void removeBooking(String bookingId); @Override String createBooking(Booking booking); @Override Map<Day, List<Booking>> getBookings(Set<Day> days); @Override List<Booking> getBookings(String advId); @Override Booking getBooking(String bookingId); @Override Map<Day, List<BookingBucket>> getBookingBuckets(Set<Day> days); String createBookingBucket(BookingBucket bookingBucket); @Override boolean lockBooking(); @Override void unlockBooking(); @Override BookingBucket getMaxBookingBucketPriority(String day); @Override void updateBookingBucketWithAllocatedAmount(String bookingBucketId, Map<String, Double> newAllocatedAmount); @Override List<BookingBucket> findBookingBucketsWithAllocatedBookingId(String bookingId); @Override void removeBookingBucket(BookingBucket bookingBucket);  }### Answer:
@Test public void unlockBooking() throws IOException { BookingDaoESImp bkDaoImp = new BookingDaoESImp(DEF_PROP); bkDaoImp.setESClient(DEF_ESCLI); bkDaoImp.unlockBooking(); assertNotNull(bkDaoImp); }