fix puppetdb version

Author: stephenrjohnson

.fixtures.yml

@@ -3,7 +3,9 @@ fixtures:
         stdlib:  "git://github.com/puppetlabs/puppetlabs-stdlib.git"
         apache:
           repo: "git://github.com/puppetlabs/puppetlabs-apache.git"
-        puppetdb: "git://github.com/puppetlabs/puppetlabs-puppetdb.git"
+        puppetdb:
+          repo: "git://github.com/puppetlabs/puppetlabs-puppetdb.git"
+          ref: "4.3.0"
         inifile: "git://github.com/puppetlabs/puppetlabs-inifile.git"
         concat: "git://github.com/ripienaar/puppet-concat.git"
         file_concat: