Fix EmptyLineAfterFinalLetItBe offenses in spec/mailers

.rubocop_manual_todo.yml

@@ -1093,9 +1093,6 @@ RSpec/EmptyLineAfterFinalLetItBe:
     - spec/lib/gitlab/repository_size_error_message_spec.rb
     - spec/lib/gitlab/search_results_spec.rb
     - spec/lib/gitlab/shell_spec.rb
-    - spec/mailers/emails/projects_spec.rb
-    - spec/mailers/emails/releases_spec.rb
-    - spec/mailers/emails/service_desk_spec.rb
     - spec/models/abuse_report_spec.rb
     - spec/models/alert_management/alert_spec.rb
     - spec/models/audit_event_spec.rb

changelogs/unreleased/issue-325836-fix-empty-line-after-let-it-be-mailers.yml

+---
+title: Fix EmptyLineAfterFinalLetItBe offenses in spec/mailers
+merge_request: 58319
+author: Huzaifa Iftikhar @huzaifaiftikhar
+type: fixed

spec/mailers/emails/projects_spec.rb

@@ -81,6 +81,7 @@ RSpec.describe Emails::Projects do
 
     context 'with environment' do
       let_it_be(:environment) { create(:environment, project: project) }
+
       let(:payload) { { 'gitlab_environment_name' => environment.name } }
       let(:metrics_url) { metrics_project_environment_url(project, environment) }
 

spec/mailers/emails/releases_spec.rb

@@ -10,6 +10,7 @@ RSpec.describe Emails::Releases do
   describe '#new_release_email' do
     let_it_be(:user) { create(:user) }
     let_it_be(:project) { create(:project) }
+
     let(:release) { create(:release, project: project) }
 
     subject { Notify.new_release_email(user.id, release) }

spec/mailers/emails/service_desk_spec.rb

@@ -14,6 +14,7 @@ RSpec.describe Emails::ServiceDesk do
   let_it_be(:project) { create(:project) }
   let_it_be(:issue) { create(:issue, project: project) }
   let_it_be(:email) { 'someone@gitlab.com' }
+
   let(:template) { double(content: template_content) }
 
   before_all do