Mock a plain Enumerable with Moq that also works with Linq

MockVBEReferences

        [TestMethod]
        public void PlainEnumerableExample()
        {
            var project = new Mock<VBProject>();

            var refs = new Mock<References>();
            refs.Setup(r => r.GetEnumerator()).Returns(ReferenceList());
            refs.As<IEnumerable>().Setup(r => r.GetEnumerator()).Returns(ReferenceList);
            
            project.SetupGet(p => p.References).Returns(refs.Object);

            AccessRefsFromProject(project.Object);
        }

        private static IEnumerator<Reference> ReferenceList()
        {
            var ref1 = new Mock<Reference>();
            ref1.SetupGet(r => r.Name).Returns("Library_Foo");

            yield return ref1.Object;

            var ref2 = new Mock<Reference>();
            ref2.SetupGet(r => r.Name).Returns("Library_Bar");

            yield return ref2.Object;
        }

        private void AccessRefsFromProject(VBProject project)
        {
            foreach (Reference ref1 in project.References)
            {
                Console.WriteLine(ref1.Name);
            }

            var refs = project.References.Cast<Reference>();
            var list = refs.ToList();
        }