Custom AMo model for forms

lint_test.rb

class LintTest < ActiveSupport::TestCase
  include ActiveModel::Lint::Tests

  class Model
    # model.to_model
    include ActiveModel::Conversion

    # Implements Model.model_name
    extend ActiveModel::Naming

    # model.valid?, model.errors
    include ActiveModel::Validations

    # Since this object is not persisted,
    # set persisted to false.
    def persisted?() false end
  end

  def setup
    @model = Model.new
  end
end