fix: Update unit test for TransactWrite change

Author: dscpinheiro

sdk/test/Services/DynamoDBv2/UnitTests/Custom/DataModelOperationSpecificConfigTests.cs

@@ -210,7 +210,7 @@ public void TransactWriteConfig()
         public void TransactWriteConfig_OverridesTableName()
         {
             var mockClient = new Mock<IAmazonDynamoDB>();
-            mockClient.Setup(x => x.TransactWriteItems(It.Is<TransactWriteItemsRequest>(x => x.TransactItems[0].Update.TableName == "OperationPrefix-TableName")))
+            mockClient.Setup(x => x.TransactWriteItems(It.Is<TransactWriteItemsRequest>(x => x.TransactItems[0].Put.TableName == "OperationPrefix-TableName")))
                .Returns(new TransactWriteItemsResponse())
                .Verifiable();
 
@@ -235,7 +235,7 @@ public void TransactWriteConfig_OverridesTableName()
         public void TransactWriteConfig_RemoveTablePrefix()
         {
             var mockClient = new Mock<IAmazonDynamoDB>();
-            mockClient.Setup(x => x.TransactWriteItems(It.Is<TransactWriteItemsRequest>(x => x.TransactItems[0].Update.TableName == "TableName")))
+            mockClient.Setup(x => x.TransactWriteItems(It.Is<TransactWriteItemsRequest>(x => x.TransactItems[0].Put.TableName == "TableName")))
                .Returns(new TransactWriteItemsResponse())
                .Verifiable();