Refactor customer credit payment method

Set fixed name and description

app/models/spree/payment_method/customer_credit.rb

@@ -3,6 +3,15 @@
 module Spree
   class PaymentMethod
     class CustomerCredit < Spree::PaymentMethod
+      # Name and description are translatable string, to allow instances to customise them
+      def name
+        "credit_payment_method.name"
+      end
+
+      def description
+        "credit_payment_method.description"
+      end
+
       def actions
         %w{internal_void}
       end

spec/factories/payment_method_factory.rb

@@ -31,10 +31,7 @@ FactoryBot.define do
   end
 
   factory :customer_credit_payment_method, class: Spree::PaymentMethod::CustomerCredit do
-    name { Rails.application.config.credit_payment_method[:name] }
-    description { Rails.application.config.credit_payment_method[:description] }
     environment { 'test' }
     internal { true }
-    distributors { [Enterprise.is_distributor.first || FactoryBot.create(:distributor_enterprise)] }
   end
 end

spec/models/spree/payment_method/customer_credit_spec.rb

@@ -5,6 +5,14 @@ require "spec_helper"
 RSpec.describe Spree::PaymentMethod::CustomerCredit do
   subject { build(:customer_credit_payment_method) }
 
+  describe "#name" do
+    it { expect(subject.name).to eq("credit_payment_method.name") }
+  end
+
+  describe "#description" do
+    it { expect(subject.description).to eq("credit_payment_method.description") }
+  end
+
   describe "#purchase" do
     let(:response) { subject.purchase(amount, nil, options) }