code review fixes

Author: StuartFerguson

TransactionProcessor.Aggregates.Tests/MerchantStatementForDateAggregateTests.cs

@@ -115,7 +115,7 @@ public void MerchantStatementForDateAggregate_AddWithdrawalToStatement_Withdrawa
             TestData.StatementDate,
             TestData.EventId1,
             TestData.EstateId,
-            TestData.MerchantId, new Withdrawal()
+            TestData.MerchantId, new Withdrawal
             {
                 WithdrawalDateTime = TestData.WithdrawalDateTime,
                 Amount = TestData.WithdrawalAmount.Value,

TransactionProcessor.BusinessLogic.Tests/Services/MerchantStatementDomainServiceTests.cs

@@ -21,11 +21,11 @@ namespace TransactionProcessor.BusinessLogic.Tests.Services;
 
 public class MerchantStatementDomainServiceTests {
 
-    private Mock<IAggregateService> AggregateService;
-    private Mock<IStatementBuilder> StatementBuilder;
-    private Mock<IMessagingServiceClient> MessagingServiceClient;
-    private Mock<ISecurityServiceClient> SecurityServiceClient;
-    private MerchantStatementDomainService DomainService;
+    private readonly Mock<IAggregateService> AggregateService;
+    private readonly Mock<IStatementBuilder> StatementBuilder;
+    private readonly Mock<IMessagingServiceClient> MessagingServiceClient;
+    private readonly Mock<ISecurityServiceClient> SecurityServiceClient;
+    private readonly MerchantStatementDomainService DomainService;
     public MerchantStatementDomainServiceTests() {
         this.AggregateService = new Mock<IAggregateService>();
         this.StatementBuilder = new Mock<IStatementBuilder>();