diff --git a/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.Test_Exceptions_Receive_Cache_fileName=False.verified.json b/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.Test_Exceptions_Receive_Cache_fileName=False.verified.json
index ca0b8ecc..544801d7 100644
--- a/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.Test_Exceptions_Receive_Cache_fileName=False.verified.json
+++ b/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.Test_Exceptions_Receive_Cache_fileName=False.verified.json
@@ -1,24 +1,13 @@
 {
   "Type": "AggregateException",
-  "InnerExceptions": [
-    {
+  "InnerException": {
   "Message": "The method or operation is not implemented.",
   "Data": {},
   "InnerException": null,
   "HelpLink": null,
   "Source": "Speckle.Sdk.Serialization.Tests",
   "HResult": -2147467263,
-  "StackTrace": "   at Speckle.Sdk.Serialization.Tests.Framework.ExceptionSendCacheManager.SaveObjects(IEnumerable`1 items) in C:\\Users\\adam\\Git\\speckle-sharp-sdk\\tests\\Speckle.Sdk.Serialization.Tests\\Framework\\ExceptionSendCacheManager.cs:line 19\r\n   at Speckle.Sdk.Serialisation.V2.Receive.ObjectLoader.SaveToCache(List`1 batch) in C:\\Users\\adam\\Git\\speckle-sharp-sdk\\src\\Speckle.Sdk\\Serialisation\\V2\\Receive\\ObjectLoader.cs:line 116\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass98_0`1.<ReadAllConcurrently>b__0(T e)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass92_0`1.<ReadAllConcurrentlyAsync>b__2(T item, Int64 _)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.ReadUntilCancelledAsync[T](<INTERNALIZED STACKTRACE>ChannelReader`1 reader, CancellationToken cancellationToken, Func`3 receiver, Boolean deferredExecution)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass92_0`1.<<ReadAllConcurrentlyAsync>g__Read|1>d.MoveNext()\r\n--- End of stack trace from previous location ---\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass92_0`1.<<ReadAllConcurrentlyAsync>g__Read|1>d.MoveNext()"
+  "StackTrace": "   at Speckle.Sdk.Serialization.Tests.Framework.ExceptionSendCacheManager.SaveObjects(IEnumerable`1 items) in C:\\Users\\adam\\Git\\speckle-sharp-sdk\\tests\\Speckle.Sdk.Serialization.Tests\\Framework\\ExceptionSendCacheManager.cs:line 19\r\n   at Speckle.Sdk.Serialisation.V2.Receive.ObjectLoader.SaveToCache(List`1 batch) in C:\\Users\\adam\\Git\\speckle-sharp-sdk\\src\\Speckle.Sdk\\Serialisation\\V2\\Receive\\ObjectLoader.cs:line 116\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass98_0`1.<ReadAllConcurrently>b__0(T e)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass63_0`1.<ReadAllAsync>b__0(T e, Int64 _)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.ReadUntilCancelledAsync[T](<INTERNALIZED STACKTRACE>ChannelReader`1 reader, CancellationToken cancellationToken, Func`3 receiver, Boolean deferredExecution)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.ReadAllAsync[T](<INTERNALIZED STACKTRACE>ChannelReader`1 reader, Func`3 receiver, Boolean deferredExecution, CancellationToken cancellationToken)"
 },
-    {
-  "Message": "The method or operation is not implemented.",
-  "Data": {},
-  "InnerException": null,
-  "HelpLink": null,
-  "Source": "Speckle.Sdk.Serialization.Tests",
-  "HResult": -2147467263,
-  "StackTrace": "   at Speckle.Sdk.Serialization.Tests.Framework.ExceptionSendCacheManager.SaveObjects(IEnumerable`1 items) in C:\\Users\\adam\\Git\\speckle-sharp-sdk\\tests\\Speckle.Sdk.Serialization.Tests\\Framework\\ExceptionSendCacheManager.cs:line 19\r\n   at Speckle.Sdk.Serialisation.V2.Receive.ObjectLoader.SaveToCache(List`1 batch) in C:\\Users\\adam\\Git\\speckle-sharp-sdk\\src\\Speckle.Sdk\\Serialisation\\V2\\Receive\\ObjectLoader.cs:line 116\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass98_0`1.<ReadAllConcurrently>b__0(T e)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass92_0`1.<ReadAllConcurrentlyAsync>b__2(T item, Int64 _)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.ReadUntilCancelledAsync[T](<INTERNALIZED STACKTRACE>ChannelReader`1 reader, CancellationToken cancellationToken, Func`3 receiver, Boolean deferredExecution)\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass92_0`1.<<ReadAllConcurrentlyAsync>g__Read|1>d.MoveNext()\r\n--- End of stack trace from previous location ---\r\n   at Open.ChannelExtensions.<INTERNALIZED STACKTRACE>Extensions.<>c__DisplayClass92_0`1.<<ReadAllConcurrentlyAsync>g__Read|1>d.MoveNext()"
-}
-  ],
   "StackTrace": "at Speckle.Sdk.Dependencies.Serialization.ChannelLoader`1.CheckForExceptions()\nat Speckle.Sdk.Serialisation.V2.Receive.ObjectLoader.GetAndCache(String rootId, DeserializeProcessOptions options, CancellationToken cancellationToken)\nat Speckle.Sdk.Serialisation.V2.Receive.DeserializeProcess.Deserialize(String rootId)\n--- End of stack trace from previous location ---\nat Xunit.Assert.RecordExceptionAsync(Func`1 testCode)"
 }
diff --git a/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.cs b/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.cs
index 12ca9af8..33f06b87 100644
--- a/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.cs
+++ b/tests/Speckle.Sdk.Serialization.Tests/ExceptionTests.cs
@@ -68,7 +68,13 @@ public async Task Test_Exceptions_Receive_Server(string fileName, string rootId,
     closures.Count.Should().Be(oldCount);
 
     var o = new ObjectLoader(new DummySqLiteReceiveManager(closures), new ExceptionServerObjectManager(), null);
-    using var process = new DeserializeProcess(null, o, new ObjectDeserializerFactory(), default, new(true));
+    using var process = new DeserializeProcess(
+      null,
+      o,
+      new ObjectDeserializerFactory(),
+      default,
+      new(true, MaxParallelism: 1)
+    );
 
     var ex = await Assert.ThrowsAsync<NotImplementedException>(async () =>
     {
@@ -95,7 +101,7 @@ public async Task Test_Exceptions_Receive_Cache(string fileName, string rootId,
       o,
       new ObjectDeserializerFactory(),
       default,
-      new(MaxParallelism: 2)
+      new(MaxParallelism: 1)
     );
 
     Exception ex;
diff --git a/tests/Speckle.Sdk.Serialization.Tests/Framework/ExceptionScrubber.cs b/tests/Speckle.Sdk.Serialization.Tests/Framework/ExceptionScrubber.cs
index 38853e3b..1f352af7 100644
--- a/tests/Speckle.Sdk.Serialization.Tests/Framework/ExceptionScrubber.cs
+++ b/tests/Speckle.Sdk.Serialization.Tests/Framework/ExceptionScrubber.cs
@@ -18,7 +18,7 @@ public override void Write(VerifyJsonWriter writer, Exception value)
     if (value.StackTrace != null)
     {
       var ex = JsonConvert.SerializeObject(value, Formatting.Indented);
-      var newString = InteralizeStacktrace().Replace(ex, "<INTERNALIZED STACKTRACE>");
+      var newString = InteralizeStacktrace().Replace(ex, "<INTERNALIZED STACKTRACE>").Trim();
       writer.WriteRawValue(newString);
       return;
     }