Merge pull request #616 from TransactionProcessing/bug/#615_eventhander_not_getting_toke_before_remote_call

fix issue on the parked messages by getting a token when required

Author: StuartFerguson

TransactionProcessor.BusinessLogic/EventHandling/TransactionDomainEventHandler.cs

@@ -242,6 +242,8 @@ private async Task HandleSpecificDomainEvent(MerchantFeePendingSettlementAddedTo
 
         private async Task HandleSpecificDomainEvent(SettledMerchantFeeAddedToTransactionEvent domainEvent,
                                                      CancellationToken cancellationToken){
+            this.TokenResponse = await Helpers.GetToken(this.TokenResponse, this.SecurityServiceClient, cancellationToken);
+
             Guid aggregateId = Helpers.CalculateSettlementAggregateId(domainEvent.SettledDateTime.Date, domainEvent.MerchantId, domainEvent.EstateId);
 
             EstateManagement.DataTransferObjects.Responses.Merchant.MerchantResponse merchant = await this.EstateClient.GetMerchant(this.TokenResponse.AccessToken, domainEvent.EstateId, domainEvent.MerchantId, cancellationToken);