rom test for dynamic class

Gemfile

source 'https://rubygems.org'

gem 'rom'
gem 'rom-sql'
gem 'rom-yaml', '2.0.0.rc2'
gem 'sqlite3'

test.rb

#!/usr/bin/env ruby

require "sqlite3"
require 'rom-sql'
require 'rom-yaml'

class MyTest < ROM::Relation[:yaml]
  schema do
    attribute :id, ROM::Types::Int
    primary_key :id
  end
end

puts "Static test..."
rom1=ROM.container(:yaml, 'test1.yml') do |config|
  config.register_relation(MyTest)
end
puts "Passed."

puts "Dynamic test..."
rom2=ROM.container(:yaml, 'test1.yml') do |config|
  my_klass=Class.new(ROM::Relation[:yaml]) do
    schema do 
      attribute :id, ROM::Types::Int
      primary_key :id
    end
  end
  config.register_relation(my_klass)
end
puts "Passed."

test1.yml

my_test:
  - id: 1
    text: qwe
  - id: 2
    text: asd
  - id: 3
    text: zxc