Rebuild rubocop TODOs after auto-correcting

spec/models/payment_spec.rb

@@ -1,8 +1,9 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'stripe_mock'
 
 describe Payment do
-
   context 'new payment' do
     let(:payment) { create(:payment) }
     it 'sets status to "unpaid" by default' do
@@ -38,7 +39,7 @@ describe Payment do
     let!(:user) { create(:user) }
     let!(:conference) { create(:conference) }
     let!(:ticket_1) { create(:ticket, price: 10, price_currency: 'USD', conference: conference) }
-    let!(:tickets) { {ticket_1.id.to_s => '2'} }
+    let!(:tickets) { { ticket_1.id.to_s => '2' } }
     let(:stripe_helper) { StripeMock.create_test_helper }
 
     before { StripeMock.start }
@@ -90,42 +91,42 @@ describe Payment do
       context 'when the connection to Stripe drops' do
         it 'raises exception' do
           StripeMock.prepare_error(Stripe::APIConnectionError.new)
-          expect{ payment.purchase }.not_to raise_error
+          expect { payment.purchase }.not_to raise_error
         end
       end
 
       context 'when there is a Stripe API Error' do
         it 'raises exception' do
           StripeMock.prepare_error(Stripe::APIError.new)
-          expect{ payment.purchase }.not_to raise_error
+          expect { payment.purchase }.not_to raise_error
         end
       end
 
       context 'when there is authentication error' do
         it 'raises exception' do
           StripeMock.prepare_error(Stripe::AuthenticationError.new)
-          expect{ payment.purchase }.not_to raise_error
+          expect { payment.purchase }.not_to raise_error
         end
       end
 
       context 'when there is a card error' do
         it 'raises exception' do
           StripeMock.prepare_card_error(:card_declined)
-          expect{ payment.purchase }.not_to raise_error
+          expect { payment.purchase }.not_to raise_error
         end
       end
 
       context 'when the request to Stripe is invalid' do
         it 'raises exception' do
           StripeMock.prepare_error(Stripe::InvalidRequestError.new('Your request is invalid.', code: 402))
-          expect{ payment.purchase }.not_to raise_error
+          expect { payment.purchase }.not_to raise_error
         end
       end
 
       context 'when Stripe rate limit exceeds' do
         it 'raises exception' do
           StripeMock.prepare_error(Stripe::RateLimitError.new)
-          expect{ payment.purchase }.not_to raise_error
+          expect { payment.purchase }.not_to raise_error
         end
       end
     end