public async Task Save_and_load_entity_with_child_entities()
{
var entity = new TestEntity(Guid.NewGuid().ToString(), "test");
var child = entity.AddChild(Guid.NewGuid().ToString(), "child");
child.Rename("child new name");
await target.SaveAsync(entity);
var loadedEntity = await target.GetAsync <TestEntity>(entity.Id);
loadedEntity.Should().BeEquivalentTo(entity, x => x.ComparingByMembers <TestEntity>().ComparingByMembers <TestEntityState>().WithTracing());
loadedEntity.StateModel.Name.Should().Be("test");
}