All Collection properties should be instantiated for types with empty constructors

DtoTests.cs

using NUnit.Framework;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

namespace MyProject.Dto.Tests
{
    [TestFixture]
    public class DtoTests
    {
        [Test]
        public void NamespaceDtos_WhenDefaultConstructorIsCalled_InstantiatesCollectionProperties()
        {
            bool testWasMeaningful = false;

            foreach (var type in GetEntityTypesWithDefaultConstructor())
            {
                var instance = Activator.CreateInstance(type);
                var collectionProps = type
                    .GetProperties()
                    .Where(p => IsOrImplementsICollection(p.PropertyType));

                foreach (var prop in collectionProps)
                {
                    var val = prop.GetValue(instance);
                    Assert.That(val, Is.Not.Null.And.Empty, string.Format("[{0}.{1}]", type.Name, prop.Name));
                    testWasMeaningful = true;
                }
            }

            Assert.That(testWasMeaningful, "Expected at least one assertion.");
        }

        private IEnumerable<Type> GetEntityTypesWithDefaultConstructor()
        {
            return Assembly
                .GetAssembly(typeof(MyProject.Dto.Things.Item))
                .GetTypes()
                .Where(t => !t.IsAbstract)
                .Where(t => t.GetConstructor(Type.EmptyTypes) != null);
        }

        private static bool IsOrImplementsICollection(Type t)
        {
            if (t == typeof(ICollection)) return true;
            if (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(ICollection<>)) return true;
            return t.GetInterfaces().Any(IsOrImplementsICollection);
        }
    }
}