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@xunit.net what changes if we (#bUnit) add the IAssertionException and ITestTimeoutException interfaces to our assertion exception types? @steven-giesel.com and I tried to add the interfaces and when running tests we do not see a difference in the output either way.

I see there are a FailureCause being changed according to the interface, but we cannot find a way to observe the FailureCause when using `dotnet run` or `dotnet test`.

Also dotnet test -trx file.trx doesn't change.