Failing test

contact.rb

def new_contact_obligations
    # self.vertical = conversions.first.placement.vertical
    self.attributes = load_loc_attrs
    self.save!
    notify_observers(:find_campaigns)
end

contact_observer_spec.rb

before :each do
    @vertical = FactoryGirl.create(:vertical)
    @geo = FactoryGirl.create(:geo)
end

context "when find_campaigns callback is called" do
    it 'should automatically purchase a contact when a matching campaign', run: true do
      campaign = FactoryGirl.create(:campaign, :geos => [@geo], :vertical => @vertical)  
      contact = FactoryGirl.create(:contact , :geo => @geo, :vertical => @vertical)
      contact.new_contact_obligations

      contact.campaigns.first.should eql campaign
      campaign.purchases.first.contact.should eql contact
    end
end

@tonatiuh, you need to merge/rebase my changes from staging, its also got some good new tests there relevant to what you're working on i think. Here is the version i'm referring to:
https://github.com/stonegiantlabs/ContactLogic/blob/staging/spec/models/contact_observer_spec.rb

Ok man, I'll check that then because looks like that line is the only issue that i have to finish this feature, thanks ( :