JonPSmith/EfCore.GenericServices Read-only entity properties causes null exception (https://github.com/JonPSmith/EfCore.GenericServices/issues/30)

readonly-property.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.2</TargetFramework>
    <RootNamespace>readonly_property</RootNamespace>

    <IsPackable>false</IsPackable>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="EFCore.GenericServices" Version="2.0.2" />
    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="2.2.6" />
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
    <PackageReference Include="xunit" Version="2.4.0" />
    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
  </ItemGroup>

</Project>

UnitTest1.cs

using GenericServices;
using GenericServices.Setup;
using Microsoft.EntityFrameworkCore;
using Xunit;

namespace readonly_property
{
    public class UnitTest1
    {
        [Fact]
        public void Dto_with_non_writable_property_causes_null_exception()
        {
            using (var context = new SomeContext(InMemoryOptions.Create<SomeContext>()))
                context.SetupSingleDtoAndEntities<ImutableDto>();
        }

        private static class InMemoryOptions
        {
            public static DbContextOptions<T> Create<T>(string databaseName = "InMemory") where T: DbContext
                => new DbContextOptionsBuilder<T>()
                    .UseInMemoryDatabase(databaseName: databaseName)
                    .Options;
        }
    }

    public class SomeContext : DbContext
    {
        public SomeContext(DbContextOptions<SomeContext> options): base(options) { }
        public DbSet<ImutableEntity> Entities { get; set; }
        protected override void OnModelCreating(ModelBuilder builder)
        {
            builder.Entity<ImutableEntity>().Property(e => e.Id).ValueGeneratedNever();
            builder.Entity<ImutableEntity>().Property(e => e.Name);
        }
    }

    public class ImutableEntity
    {
        public ImutableEntity(int id, string name)
        {
            Id = id;
            Name = name;
        }
        public int Id { get; private set; }
        public string Name { get; private set; }
    }

    public class ImutableDto: ILinkToEntity<ImutableEntity>
    {
    }
}