diff --git a/src/NServiceBus.TransportTests/When_multiple_messages_are_available.cs b/src/NServiceBus.TransportTests/When_multiple_messages_are_available.cs
index 7b7313a66d..eb16275e5a 100644
--- a/src/NServiceBus.TransportTests/When_multiple_messages_are_available.cs
+++ b/src/NServiceBus.TransportTests/When_multiple_messages_are_available.cs
@@ -1,59 +1,62 @@
-namespace NServiceBus.TransportTests;
-
-using System;
-using System.Collections.Concurrent;
-using System.Threading;
-using System.Threading.Tasks;
-using NUnit.Framework;
-using Transport;
-
-public class When_multiple_messages_are_available : NServiceBusTransportTest
+namespace NServiceBus.TransportTests
 {
-    [TestCase(TransportTransactionMode.None)]
-    [TestCase(TransportTransactionMode.ReceiveOnly)]
-    [TestCase(TransportTransactionMode.SendsAtomicWithReceive)]
-    [TestCase(TransportTransactionMode.TransactionScope)]
-    public async Task Should_handle_messages_concurrently(TransportTransactionMode transactionMode)
+    using System;
+    using System.Collections.Concurrent;
+    using System.Threading;
+    using System.Threading.Tasks;
+    using NUnit.Framework;
+    using Transport;
+
+    public class When_multiple_messages_are_available : NServiceBusTransportTest
     {
-        const int concurrencyLevel = 10;
-        var onMessageCalls = new ConcurrentQueue<TaskCompletionSource>();
+        [TestCase(TransportTransactionMode.None)]
+        [TestCase(TransportTransactionMode.ReceiveOnly)]
+        [TestCase(TransportTransactionMode.SendsAtomicWithReceive)]
+        [TestCase(TransportTransactionMode.TransactionScope)]
+        public async Task Should_handle_messages_concurrently(TransportTransactionMode transactionMode)
+        {
+            const int concurrencyLevel = 10;
+            var onMessageCalls = new ConcurrentQueue<TaskCompletionSource>();
 
-        await StartPump(async (context, _) =>
-            {
-                var tcs = CreateTaskCompletionSource();
-                onMessageCalls.Enqueue(tcs);
-                // "block" current pipeline invocation
-                await tcs.Task;
-            },
-            (errorContext, __) => throw new Exception("unexpected error", errorContext.Exception),
-            transactionMode,
-            pushRuntimeSettings: new PushRuntimeSettings(concurrencyLevel));
+            await StartPump(async (context, _) =>
+                {
+                    var tcs = CreateTaskCompletionSource();
+                    onMessageCalls.Enqueue(tcs);
+                    // "block" current pipeline invocation
+                    await tcs.Task;
+                },
+                (errorContext, __) => throw new Exception("unexpected error", errorContext.Exception),
+                transactionMode,
+                pushRuntimeSettings: new PushRuntimeSettings(concurrencyLevel));
 
-        for (int i = 0; i < concurrencyLevel * 2; i++)
-        {
-            await SendMessage(InputQueueName);
-        }
+            for (int i = 0; i < concurrencyLevel * 2; i++)
+            {
+                await SendMessage(InputQueueName);
+            }
 
-        // we need to wait because it might take a bit till the pump has invoked all pipelines?
-        while (onMessageCalls.Count < concurrencyLevel)
-        {
-            await Task.Delay(50, TestTimeoutCancellationToken);
-        }
+            // we need to wait because it might take a bit till the pump has invoked all pipelines?
+            while (onMessageCalls.Count < concurrencyLevel)
+            {
+                await Task.Delay(50, TestTimeoutCancellationToken);
+            }
 
-        Assert.AreEqual(concurrencyLevel, onMessageCalls.Count, "should not process more messages than configured at once");
+            int maximumConcurrentMessages = onMessageCalls.Count;
 
-        // unblock pumps
-        int messagesProcessed = 0;
-        using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));
-        while (messagesProcessed < concurrencyLevel * 2)
-        {
-            if (onMessageCalls.TryDequeue(out var messagePipelineTcs))
+            // unblock pumps
+            int messagesProcessed = 0;
+            using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));
+            while (messagesProcessed < concurrencyLevel * 2)
             {
-                messagePipelineTcs.SetResult();
-                messagesProcessed++;
+                if (onMessageCalls.TryDequeue(out var messagePipelineTcs))
+                {
+                    messagePipelineTcs.SetResult();
+                    messagesProcessed++;
+                }
+                TestTimeoutCancellationToken.ThrowIfCancellationRequested();
             }
-            TestTimeoutCancellationToken.ThrowIfCancellationRequested();
+
+            Assert.AreEqual(concurrencyLevel, maximumConcurrentMessages, "should not process more messages than configured at once");
+            Assert.AreEqual(concurrencyLevel * 2, messagesProcessed, "should process all enqueued messages");
         }
-        Assert.AreEqual(concurrencyLevel * 2, messagesProcessed, "should process all enqueued messages");
     }
 }
\ No newline at end of file