protected function setUp()
 {
     $this->leavePeriodService = new LeavePeriodService();
     $leaveEntitlementService = new LeaveEntitlementService();
     $leaveEntitlementService->setLeaveEntitlementStrategy(new FIFOEntitlementConsumptionStrategy());
     $this->leavePeriodService->setLeaveEntitlementService($leaveEntitlementService);
     TestDataService::truncateTables(array('LeavePeriodHistory'));
 }