Improve filter products tag rule specs' performance

spec/factories/tag_rule_factory.rb

@@ -8,7 +8,7 @@ FactoryBot.define do
   end
 
   factory :filter_products_tag_rule, class: TagRule::FilterProducts do
-    enterprise { FactoryBot.create :distributor_enterprise }
+    enterprise factory: :distributor_enterprise
   end
 
   factory :filter_payment_methods_tag_rule, class: TagRule::FilterPaymentMethods do

spec/models/tag_rule/filter_products_spec.rb

@@ -1,7 +1,7 @@
 require 'spec_helper'
 
 describe TagRule::FilterProducts, type: :model do
-  let!(:tag_rule) { create(:filter_products_tag_rule) }
+  let!(:tag_rule) { build_stubbed(:filter_products_tag_rule) }
 
   describe "determining whether tags match for a given variant" do
     context "when the variant is nil" do