launchpad/testing-war: fix repoinit tests

The tests were failing since the repoinit statements were not added
to the provisioning model of this module. They were added for the
launchpad/testing module in r1749667.

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1763006 13f79535-47bb-0310-9956-ffa450edef68