Update travis config

HarlemSquirrel · HarlemSquirrel · commit 6b9144491c0f · 2020-08-29T13:15:39.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -18,6 +18,7 @@ rvm:
 addons:
   hosts:
     - ldap.example.org # needed for TLS verification
+    - cert.mismatch.example.org
 
 services:
   - docker
