Rename mock_ci_service to integration

app/models/integration.rb

@@ -49,7 +49,7 @@ class Integration < ApplicationRecord
     hangouts_chat
     irker
     packagist pipelines_email pivotaltracker pushover
-    mattermost mattermost_slash_commands microsoft_teams
+    mattermost mattermost_slash_commands microsoft_teams mock_ci
   ].to_set.freeze
 
   def self.renamed?(name)

app/models/project.rb

@@ -177,7 +177,7 @@ class Project < ApplicationRecord
   has_one :mattermost_integration, class_name: 'Integrations::Mattermost'
   has_one :mattermost_slash_commands_integration, class_name: 'Integrations::MattermostSlashCommands'
   has_one :microsoft_teams_integration, class_name: 'Integrations::MicrosoftTeams'
-  has_one :mock_ci_service, class_name: 'Integrations::MockCi'
+  has_one :mock_ci_integration, class_name: 'Integrations::MockCi'
   has_one :packagist_integration, class_name: 'Integrations::Packagist'
   has_one :pipelines_email_integration, class_name: 'Integrations::PipelinesEmail'
   has_one :pivotaltracker_integration, class_name: 'Integrations::Pivotaltracker'

spec/lib/gitlab/import_export/all_models.yml

@@ -393,7 +393,7 @@ project:
 - bugzilla_integration
 - ewm_integration
 - external_wiki_integration
-- mock_ci_service
+- mock_ci_integration
 - mock_monitoring_service
 - forked_to_members
 - forked_from_project