问与常规垃圾收集相比，AssemblyLoadContext.Unload()在.NET内核中的价值是什么？

EN

using System;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Loader;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using NUnit.Framework;

namespace Tests.Core
{
    [TestFixture]
    public class CollectibleAssemblyLoadContextTests
    {
        private const string AssemblyName = "Test___DynamicAssembly";

        [Test]
        [TestCase(/*unload*/ true,  /*GC sessions*/ 1)]
        [TestCase(/*unload*/ false, /*GC sessions*/ 2)]
        public void ShouldExecuteAndUnload(bool unload, int expectedGcSessions)
        {
            string actual = Execute(10, unload);
            Assert.AreEqual("executed 10", actual);

            int gcSessions = 0;
            while (!IsUnloaded())
            {
                GC.Collect();
                gcSessions++;
            }

            Assert.AreEqual(expectedGcSessions, gcSessions);
        }

        [MethodImpl(MethodImplOptions.NoInlining)]
        private bool IsUnloaded()
        {
            return !AppDomain.CurrentDomain.GetAssemblies()
                .Select(x => x.GetName().Name)
                .Contains(AssemblyName);
        }

        [MethodImpl(MethodImplOptions.NoInlining)]
        private string Execute(int number, bool unload)
        {
            var source = @"
        public static class Process
        {
            public static string Execute(int i)
            {
                return $""executed {i}"";
            }
        }";
            var compilation = CSharpCompilation.Create(AssemblyName, new[] {CSharpSyntaxTree.ParseText(source)},
                new []{MetadataReference.CreateFromFile(typeof(object).Assembly.Location)},
                new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));

            using var ms = new MemoryStream();
            compilation.Emit(ms);
            ms.Seek(0, SeekOrigin.Begin);

            var assemblyLoadContext = new AssemblyLoadContext("CollectibleContext", isCollectible: true);

            Assembly assembly = assemblyLoadContext.LoadFromStream(ms);
            if (unload)
                assemblyLoadContext.Unload();

            Type type = assembly.GetType("Process");
            MethodInfo method = type.GetMethod("Execute");
            return (string)method.Invoke(null, new object[] {number});
        }
    }
}