fix: Order shuffle

src/main/java/it/gov/pagopa/afm/calculator/repository/CosmosRepository.java

@@ -53,7 +53,6 @@ private static List<CiBundle> filterByCI(String ciFiscalCode, ValidBundle bundle
   @Cacheable(value = "findValidBundles")
   public List<ValidBundle> findByPaymentOption(PaymentOption paymentOption, boolean allCcp) {
     Iterable<ValidBundle> validBundles = findValidBundles(paymentOption, allCcp);
-
     return getFilteredBundles(paymentOption, validBundles);
   }
 

src/main/java/it/gov/pagopa/afm/calculator/service/CalculatorService.java

@@ -14,14 +14,14 @@
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 import org.springframework.util.CollectionUtils;
 
 import javax.validation.Valid;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Random;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
@@ -46,9 +46,9 @@ public class CalculatorService {
   @Value("${pspAmex.abi:AMREX}")
   private String amexABI;
 
-  @Cacheable(value = "calculate")
   public BundleOption calculate(@Valid PaymentOption paymentOption, int limit, boolean allCcp) {
     List<ValidBundle> filteredBundles = cosmosRepository.findByPaymentOption(paymentOption, allCcp);
+    Collections.shuffle(filteredBundles, new Random());
 
     return BundleOption.builder()
         .belowThreshold(isBelowThreshold(paymentOption.getPaymentAmount()))