FINERACT-2380: move retrofit client based test to feign

integration-tests/src/test/java/org/apache/fineract/integrationtests/client/feign/helpers/FeignBusinessDateHelper.java

@@ -45,7 +45,7 @@ public class FeignBusinessDateHelper {
                 .dateFormat("yyyy-MM-dd")//
                 .locale(LoanTestData.LOCALE);
 
-        ok(() -> fineractClient.businessDateManagement().updateBusinessDate(request, Collections.emptyMap()));
+        ok(() -> fineractClient.businessDateManagement().updateBusinessDate(null, request, Collections.emptyMap()));
     }
 
     public void runAt(String date, Runnable action) {

integration-tests/src/test/java/org/apache/fineract/integrationtests/client/feign/helpers/FeignLoanHelper.java

@@ -45,7 +45,7 @@ public class FeignLoanHelper {
     }
 
     public Long applyForLoan(PostLoansRequest request) {
-        PostLoansResponse response = ok(() -> fineractClient.loans().calculateLoanScheduleOrSubmitLoanApplication(request, null));
+        PostLoansResponse response = ok(() -> fineractClient.loans().calculateLoanScheduleOrSubmitLoanApplication(request, (String) null));
         return response.getLoanId();
     }