Fix variable has no attribute ldap error during package build

Also test domains

Change-Id: I019f0cfa07dd3185c16a958ed0aefc92fed57460
diff --git a/.travis.yml b/.travis.yml
index a9b99a0..7cf63e4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,6 +19,8 @@
 env:
   - PLATFORM=trevorj/salty-whales:trusty MYSQL_VERSION='5.5' SUITE=single
   - PLATFORM=trevorj/salty-whales:xenial MYSQL_VERSION='5.7' SUITE=single
+  - PLATFORM=trevorj/salty-whales:trusty MYSQL_VERSION='5.5' SUITE=single_domain
+  - PLATFORM=trevorj/salty-whales:xenial MYSQL_VERSION='5.7' SUITE=single_domain
   - PLATFORM=trevorj/salty-whales:trusty MYSQL_VERSION='5.5' SUITE=single_fernet
   - PLATFORM=trevorj/salty-whales:xenial MYSQL_VERSION='5.7' SUITE=single_fernet
   - PLATFORM=trevorj/salty-whales:trusty MYSQL_VERSION='5.5' SUITE=under-apache