Bring test app lock file up to date

deivid-rodriguez · deivid-rodriguez · commit 4993beaed826 · 2018-12-10T19:06:16.000+01:00
diff --git a/test_app/Gemfile.lock b/test_app/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    activeadmin-mongoid (0.6.0)
+    activeadmin-mongoid (0.8.0)
       activeadmin (>= 1.3.0)
       jquery-rails
       mongoid (~> 6.0)
