/**
  * @cover ::saveOperations
  * @cover ::areOperationValid
  */
 public function testSaveOperation()
 {
     /** @var OperationInterface[] $callback */
     $callback = Argument::that(function ($arg) {
         if (!is_array($arg)) {
             return false;
         }
         while ($value = next($arg)) {
             if (!$value instanceof OperationInterface) {
                 return false;
             }
         }
         return true;
     });
     $this->operationManager->saveAll($callback)->shouldBeCalled();
     $this->operationManager->findByMiraklIdAndPaymentVoucherNumber(Argument::is(false), Argument::type("string"))->willReturn(null)->shouldBeCalled();
     $this->operationManager->isValid($this->operationArgument)->willReturn(true)->shouldBeCalled();
     $this->cashoutInitializer->saveOperations(array(new Operation(200, new DateTime(), "000001", false)));
 }