Add self referential 1:1 veritas integration specs
user
```ruby
require 'spec_helper_integration'

describe 'Relationship - Self referential One To One' do
  include_context 'Models and Mappers'

  before(:all) do
    setup_db

    insert_person 1, 'John'
    insert_person 2, 'Jane',  1

    person_mapper.has 1, :child, person_model, :target_key => [:parent_id]

    # FIXME investigate why #one returns zero results when
    # this is defined *before* the :children relationship
    person_mapper.belongs_to :parent, person_model
  end

  let(:jane)  { person_model.new(:id => 2, :name => 'Jane',  :parent_id => 1) }
  let(:alice) { person_model.new(:id => 3, :name => 'Alice', :parent_id => 1) }

  it 'loads the associated children' do
    jane = DM_ENV[person_model].include(:child).one(:id => 1).child

    jane.id.should == 2
    jane.name.should == 'Jane'
  end
end
```
assistant