Use any? instead of count > 0, feedback:

https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/6019#note_16832243

app/models/project_services/builds_email_service.rb

@@ -43,7 +43,7 @@ class BuildsEmailService < Service
   end
 
   def can_test?
-    project.builds.count > 0
+    project.builds.any?
   end
 
   def disabled_title

app/models/project_services/pipelines_email_service.rb

@@ -39,7 +39,7 @@ class PipelinesEmailService < Service
   end
 
   def can_test?
-    project.pipelines.count > 0
+    project.pipelines.any?
   end
 
   def disabled_title