protected Membership createMember(String accountNo) {
    final Farmer farmer = DairyUtil.createFarmer(accountNo, "", "", "", (Farm) null);
    farmer.setNickName(accountNo);

    final Membership member = DairyUtil.createMembership(new Date(), new Date(), farmer);
    member.setMemberNumber(accountNo);
    member.setStatus(MembershipStatus.ACTIVE);

    DAIRY.getMemberships().add(member);
    repo.save(DAIRY);

    return member;
  }