text: INSERT INTO locations (latitude, longitude) VALUES (52, 89);
  
  INSERT INTO couriers (name, phone, password_hash, email, address_id, working_status)
  VALUES ('courier1', '71234567891', 'password', 'test1@mail.ru', 4, 0);
  
  INSERT INTO locations (latitude, longitude) VALUES (53, 89);
  
  INSERT INTO couriers (name, phone, password_hash, email, address_id, working_status)
  VALUES ('courier2', '71234567892', 'password', 'test2@mail.ru', 5, 0);
  
  INSERT INTO locations (latitude, longitude) VALUES (53, 90);
  
  INSERT INTO couriers (name, phone, password_hash, email, address_id, working_status)
  VALUES ('courier3', '71234567893', 'password', 'test3@mail.ru', 6, 0);
  
  INSERT INTO locations (latitude, longitude) VALUES (54, 91);
  
  INSERT INTO couriers (name, phone, password_hash, email, address_id, working_status)
  VALUES ('courier4', '71234567894', 'password', 'test4@mail.ru', 7, 1);
  
  INSERT INTO locations (latitude, longitude) VALUES (55, 91);
  
  INSERT INTO couriers (name, phone, password_hash, email, address_id, working_status)
  VALUES ('courier5', '71234567895', 'password', 'test5@mail.ru', 8, 2);