In my application I use a custom PaginatedList<T> class that extends List with some extra properties. Given that FluentAssertion only compares the content of the list and excludes extra properties when using BeEquivalentTo(), I wrote my own EquivalencyStep to check the extra property manually. However, I can’t get it to print the name of the properties properly.

I’m using reflection to get a custom attribute, and then I want to validate the type passed into the constructor, so I tried this: