Fix spec failures

app/models/project_services/slack_slash_commands_service.rb

@@ -2,7 +2,7 @@ class SlackSlashCommandsService < ChatSlashCommandsService
   include TriggersHelper
 
   def title
-    'Slack Slash Command'
+    'Slack Command'
   end
 
   def description

spec/features/admin/admin_settings_spec.rb

@@ -17,9 +17,9 @@ feature 'Admin updates settings', feature: true do
     expect(page).to have_content "Application settings saved successfully"
   end
 
-  scenario 'Change Slack Service template settings' do
+  scenario 'Change Slack Notifications Service template settings' do
     click_link 'Service Templates'
-    click_link 'Slack'
+    click_link 'Slack notifications'
     fill_in 'Webhook', with: 'http://localhost'
     fill_in 'Username', with: 'test_user'
     fill_in 'service_push_channel', with: '#test_channel'

spec/lib/gitlab/import_export/all_models.yml

@@ -129,6 +129,7 @@ project:
 - builds_email_service
 - pipelines_email_service
 - mattermost_slash_commands_service
+- slack_slash_commands_service
 - irker_service
 - pivotaltracker_service
 - hipchat_service

spec/models/project_spec.rb

@@ -20,7 +20,6 @@ describe Project, models: true do
     it { is_expected.to have_many(:deploy_keys) }
     it { is_expected.to have_many(:hooks).dependent(:destroy) }
     it { is_expected.to have_many(:protected_branches).dependent(:destroy) }
-    it { is_expected.to have_many(:chat_services) }
     it { is_expected.to have_one(:forked_project_link).dependent(:destroy) }
     it { is_expected.to have_one(:slack_notification_service).dependent(:destroy) }
     it { is_expected.to have_one(:mattermost_notification_service).dependent(:destroy) }
@@ -37,6 +36,7 @@ describe Project, models: true do
     it { is_expected.to have_one(:hipchat_service).dependent(:destroy) }
     it { is_expected.to have_one(:flowdock_service).dependent(:destroy) }
     it { is_expected.to have_one(:assembla_service).dependent(:destroy) }
+    it { is_expected.to have_one(:slack_slash_commands_service).dependent(:destroy) }
     it { is_expected.to have_one(:mattermost_slash_commands_service).dependent(:destroy) }
     it { is_expected.to have_one(:gemnasium_service).dependent(:destroy) }
     it { is_expected.to have_one(:buildkite_service).dependent(:destroy) }