fix tests, added videolistings_attributes:

spec/controllers/campaigns_controller_spec.rb

@@ -15,6 +15,9 @@ describe CampaignsController do
   end
 
   it 'should show the campaign page' do
+    campaign[:videolistings_attributes] = []
+    campaign[:videolistings_attributes] << videolisting
+
     post :create, campaign: campaign
     get :show, campaign
     expect(response.status).to eq 200
@@ -26,6 +29,9 @@ describe CampaignsController do
 
 
   it 'creates a campaign from json post' do
+    campaign[:videolistings_attributes] = []
+    campaign[:videolistings_attributes] << videolisting
+
     post :create, campaign: campaign
 
     expect(response.status).to eq 302