Fix pricing and authentication mutant coverage

Add specific cover directives to pricing tests so mutant's test
partitioning assigns the right tests to Offer, Discounts, and
TimePromotion subjects. Add Authentication::Test* to ignore list.

Author: andrzejkrzywda

domains/authentication/.mutant.yml

@@ -8,4 +8,5 @@ matcher:
   subjects:
     - Authentication*
   ignore:
+    - Authentication::Test*
     - Authentication::Configuration#call

domains/pricing/test/draft_offer_test.rb

@@ -2,7 +2,7 @@
 
 module Pricing
   class DraftOfferTest < Test
-    cover "Pricing*"
+    cover "Pricing::Offer*"
 
     def test_draft_offer
       order_id = SecureRandom.uuid

domains/pricing/test/free_products_test.rb

@@ -2,7 +2,7 @@
 
 module Pricing
   class FreeProductsTest < Test
-    cover "Pricing*"
+    cover "Pricing::Offer*"
 
     def test_making_product_free_possible_when_order_is_eligible
       product_1_id = SecureRandom.uuid

domains/pricing/test/offer_lifecycle_test.rb

@@ -2,7 +2,7 @@
 
 module Pricing
   class OfferLifecycleTest < Test
-    cover "Pricing*"
+    cover "Pricing::Offer*"
 
     def test_accept_draft_offer
       product_id = SecureRandom.uuid

domains/pricing/test/pricing_test.rb

@@ -3,6 +3,8 @@
 module Pricing
   class PricingTest < Test
     cover "Pricing*"
+    cover "Pricing::Offer*"
+    cover "Pricing::Discounts*"
 
     def test_sets_time_promotion_discount
       order_id = SecureRandom.uuid

domains/pricing/test/simple_offer_test.rb

@@ -3,6 +3,7 @@
 module Pricing
   class SimpleOfferTest < Test
     cover "Pricing::Offer*"
+    cover "Pricing::Discounts*"
 
     def test_adding
       product_id = SecureRandom.uuid

domains/pricing/test/time_promotion_test.rb

@@ -39,6 +39,7 @@ def create_time_promotion(**kwargs)
 
   class DiscountWithTimePromotionTest < Test
     cover "Pricing::Offer*"
+    cover "Pricing::TimePromotion*"
 
     def test_calculates_total_value_with_time_promotion
       order_id = SecureRandom.uuid

domains/pricing/test/use_coupon_test.rb

@@ -2,7 +2,8 @@
 
 module Pricing
   class UseCouponTest < Test
-    cover "Pricing*"
+    cover "Pricing::Offer*"
+    cover "Pricing::Discounts*"
 
     def test_coupon_is_used
       product_1_id = SecureRandom.uuid