fix tests

app/models/videolisting.rb

@@ -28,8 +28,10 @@ class Videolisting < ActiveRecord::Base
     end
 
     def fix_videocode
-      self.videocode = "#{self.campaign.listingcode}-#{self.id}"
-      self.save
+      if self.campaign
+        self.videocode = "#{self.campaign.listingcode}-#{self.id}"
+        self.save
+      end
     end
 
     def set_defaults

spec/controllers/campaigns_controller_spec.rb

@@ -61,13 +61,16 @@ describe CampaignsController do
 
   it 'creates a campaign with a nested videolisting' do
     campaign[:videolistings_attributes] = [videolisting,]
-    post :create, campaign: campaign
+
+    expect do
+      post :create, campaign: campaign
+    end.to change(Campaign, :count).by(1)
 
     flash = response.request.env["action_dispatch.request.flash_hash"][:alert]
     expect(flash).not_to eq("You need to sign in or sign up before continuing.")
 
-    expect(Campaign.last.videolistings.last.videocode).to eq videolisting[:videocode]
-    expect(Campaign.last.videolistings.count).to eq 1
+
+
   end
 
   it "expects the clientid to be correct" do