protected function createAdminBillingSpec($name)
 {
     $fee = new Fee();
     $fee->setFeeWithoutRetirement(500);
     $spec = new BillingSpec();
     $spec->setMaster(true);
     $spec->setMinimalFee(300);
     $spec->setName($name);
     $spec->setOwner(null);
     $spec->setType(BillingSpec::TYPE_FLAT);
     $spec->setFees(array($fee));
     $fee->setBillingSpec($spec);
     $this->em->persist($spec);
     $this->em->persist($fee);
     return $spec;
 }