transfer code change during registrant change

test/integration/epp/domain/update/base_test.rb

@@ -514,7 +514,6 @@ class EppDomainUpdateBaseTest < EppTestCase
     assert_correct_against_schema response_xml
     assert_epp_response :completed_successfully
     refute_includes @domain.statuses, DomainStatus::PENDING_UPDATE
-
   end
 
   def test_skips_verification_when_provided_registrant_is_the_same_as_current_one
@@ -559,6 +558,8 @@ class EppDomainUpdateBaseTest < EppTestCase
     dispute.update!(starts_at: Time.zone.now, expires_at: Time.zone.now + 5.days, closed: nil)
     new_registrant = contacts(:william)
 
+    old_transfer_code = @domain.transfer_code
+
     assert @domain.disputed?
 
     request_xml = <<-XML
@@ -596,6 +597,7 @@ class EppDomainUpdateBaseTest < EppTestCase
     assert_not @domain.registrant_verification_asked?
     assert_not @domain.disputed?
     assert_no_emails
+    refute_equal @domain.transfer_code, old_transfer_code
   end
 
   def test_dispute_password_mandatory_when_registrant_changed

test/integration/repp/v1/domains/update_test.rb

@@ -62,6 +62,7 @@ class ReppV1DomainsUpdateTest < ActionDispatch::IntegrationTest
     @auth_headers['Content-Type'] = 'application/json'
     new_registrant = contacts(:william)
     refute @domain.registrant == new_registrant
+    old_transfer_code = @domain.transfer_code
 
     payload = {
       domain: {
@@ -80,6 +81,7 @@ class ReppV1DomainsUpdateTest < ActionDispatch::IntegrationTest
     assert_equal 1000, json[:code]
     assert_equal 'Command completed successfully', json[:message]
 
+    refute_equal old_transfer_code, @domain.transfer_code
     assert @domain.registrant.code == new_registrant.code
     refute @domain.statuses.include? DomainStatus::PENDING_UPDATE
   end