Take Goroutine dump

spec/spec_helper.rb

@@ -103,7 +103,9 @@
         warn "=== uptime"
         warn `uptime`
         warn `=== Prometheus metrics:`
-        warn `curl -s http://localhost:9236'
+        warn `curl -s http://localhost:9236`
+        warn `=== Taking goroutine dump in log/goroutines.log...`
+        warn `curl -o log/goroutines.log http://localhost:9236/debug/pprof/goroutine?debug=2`
       end
     end
   end