enable inronic source install in integration test

Change-Id: I2331f005f8d2eecc246f8dd5b11820ce4bcff1e3
diff --git a/jjb/metal3/projects.yml b/jjb/metal3/projects.yml
index 692d6ad..742c6a5 100644
--- a/jjb/metal3/projects.yml
+++ b/jjb/metal3/projects.yml
@@ -69,6 +69,13 @@
           repo: ip-address-manager
       - ironic_image:
           repo: ironic-image
+          name_postfix: '_ironic_from_source'
+          trigger_postfix: '-ironic-source'
+          ironic_repo: '${{ghprbAuthorRepoGitUrl}}'
+          ironic_branch: '${{ghprbActualCommit}}'
+          ironic_install_type: 'source'
+      - ironic_image:
+          repo: ironic-image
       - ironic_ipa_downloader:
           repo: ironic-ipa-downloader
     image_os: