paper-trail-gem--paper_trail/spec/models/thing_spec.rb

require 'rails_helper'

describe Thing, :type => :model do
  it { is_expected.to be_versioned }

  describe "should not store object_changes", :versioning => true do
    let(:thing) { Thing.create(:name =>"pencil") }

    it { expect(thing.versions.last.object_changes).to be_nil }
  end
end