Fix offense constant definition in block in spree base_controller_spec.rb

.rubocop_todo.yml

@@ -11,7 +11,6 @@
 # AllowedMethods: enums
 Lint/ConstantDefinitionInBlock:
   Exclude:
-    - 'spec/controllers/spree/admin/base_controller_spec.rb'
     - 'spec/helpers/serializer_helper_spec.rb'
     - 'spec/lib/reports/line_items_spec.rb'
     - 'spec/models/spree/ability_spec.rb'

spec/controllers/spree/admin/base_controller_spec.rb

@@ -71,10 +71,9 @@ describe Spree::Admin::BaseController, type: :controller do
 
   describe "determining the name of the serializer to be used" do
     before do
-      class Api::Admin::AllowedPrefixBaseSerializer; end;
-
-      class Api::Admin::BaseSerializer; end;
       allow(controller).to receive(:ams_prefix_whitelist) { [:allowed_prefix] }
+      stub_const('Api::Admin::AllowedPrefixBaseSerializer', Class)
+      stub_const('Api::Admin::BaseSerializer', Class)
     end
 
     context "when a prefix is passed in" do