Extension to Any library that allows generation of pre-canned substitutes using NSubstitute
$ dotnet add package Any.NSubstituteCreates an instance of an interface using NSubstitute, but with method and property return values pre-canned with something different than defaults.
var instance = Any.Substitute<IMyInstance>();
Assert.AreNotEqual(default, instance.GetInt1());
Assert.AreNotEqual(instance.GetInt1(), instance.GetInt2());