public void StackIsSimplified()
{
Func <Task> call = OuterMethodAsync;
Exception ex = call.Should().Throw <InvalidOperationException>().Which;
var originalStack = new StackTrace(ex).GetFrames();
var simplifiedStack = StackTraceHelper.SimplifyStackTrace(ex);
simplifiedStack.Count().Should().BeLessThan(originalStack.Length);
}