Fix test

test/factories/business_transactions.rb

@@ -26,6 +26,8 @@
     discount_value_cents 0
     quantity_bought 1
 
+    factory :business_transaction_from_ngo, traits: [:from_ngo]
+
     trait :incomplete do
       shipping_address nil
     end
@@ -65,6 +67,10 @@
       association :article, factory: [:article, :with_discount]
     end
 
+    trait :from_ngo do
+      association :seller, factory: [:ngo, :paypal_data]
+    end
+
     trait :pickup do
       selected_transport :pickup
     end

test/factories/users.rb

@@ -61,6 +61,8 @@
       admin true
     end
 
+    factory :ngo, traits: [:ngo]
+
     factory :non_german_user do
       country Faker::Address.country
     end

test/objects/fastbill_api_test.rb

@@ -8,6 +8,7 @@
   describe 'methods' do
     let(:business_transaction) { BusinessTransaction.new }
     let(:db_business_transaction) { FactoryGirl.create :business_transaction }
+    let(:db_bt_from_ngo) { FactoryGirl.create :business_transaction_from_ngo }
     let(:seller) { db_business_transaction.seller }
 
     describe '::fastbill_chain' do
@@ -18,9 +19,7 @@
 
       describe 'when seller is an NGO' do
         it 'should not contact Fastbill' do
-          seller.ngo = true
-          seller.save
-          api = FastbillAPI.new db_business_transaction
+          api = FastbillAPI.new db_bt_from_ngo
           api.fastbill_chain
           assert_not_requested :post, 'https://my_email:my_fastbill_api_key@automatic.fastbill.com'\
                                       '/api/1.0/api.php'