Correct RuboCop violations

app/controllers/solidus_paypal_braintree/transactions_controller.rb

@@ -1,5 +1,4 @@
 class SolidusPaypalBraintree::TransactionsController < Spree::StoreController
-
   PERMITTED_BRAINTREE_TRANSACTION_PARAMS = [
     :nonce,
     :payment_type,
@@ -29,6 +28,7 @@ def create
   end
 
   private
+
   def transaction_params
     params.require(:transaction)
       .permit(PERMITTED_BRAINTREE_TRANSACTION_PARAMS)

app/models/solidus_paypal_braintree/transaction.rb

@@ -22,6 +22,5 @@ class Transaction
     def address_attributes=(attributes)
       self.address = TransactionAddress.new attributes
     end
-
   end
 end

app/models/solidus_paypal_braintree/transaction_import.rb

@@ -1,7 +1,6 @@
 require 'active_model'
 
 module SolidusPaypalBraintree
-
   class TransactionImport
     attr_reader :transaction, :order
 
@@ -55,10 +54,9 @@ def address
     end
 
     protected
+
     def advance_order
-      until order.state == "confirm" do
-        order.next!
-      end
+      order.next! until order.state == "confirm"
     end
   end
 end

spec/models/solidus_paypal_braintree/transaction_import_spec.rb

@@ -15,7 +15,7 @@
 
     context 'order has a user' do
       let(:user) { Spree::User.new }
-      let(:order) { Spree::Order.new user: user  }
+      let(:order) { Spree::Order.new user: user }
 
       it 'associates user to the source' do
         expect(subject.user).to eq user
@@ -110,9 +110,7 @@
           subject
           expect(order.payments.first.amount).to eq 16
         end
-
       end
     end
-
   end
 end

spec/models/solidus_paypal_braintree/transaction_spec.rb

@@ -1,14 +1,14 @@
 require 'spec_helper'
 
 describe SolidusPaypalBraintree::Transaction do
-
   describe "#valid?" do
-
-    let(:valid_attributes) { {
-      nonce: 'abcde-fghjkl-lmnop',
-      payment_method: SolidusPaypalBraintree::Gateway.new,
-      payment_type: 'ApplePayCard'
-    } }
+    let(:valid_attributes) do
+      {
+        nonce: 'abcde-fghjkl-lmnop',
+        payment_method: SolidusPaypalBraintree::Gateway.new,
+        payment_type: 'ApplePayCard'
+      }
+    end
 
     subject { described_class.new(valid_attributes).valid? }
 
@@ -33,6 +33,5 @@
       let(:valid_attributes) { super().except(:payment_type) }
       it { is_expected.to be false }
     end
-
   end
 end