Run tests on its-bugzilla plugin

Change-Id: I9ced42527e531de1df4b17d1be528323fa5276ab
diff --git a/jenkins/gerrit-buck-bazel-plugin-its-bugzilla.yaml b/jenkins/gerrit-buck-bazel-plugin-its-bugzilla.yaml
index 47fad91..646f928 100644
--- a/jenkins/gerrit-buck-bazel-plugin-its-bugzilla.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-its-bugzilla.yaml
@@ -7,3 +7,4 @@
             - stable-2.16
             - stable-2.15
             - stable-2.14
+          targets: 'plugins/its-bugzilla:its-bugzilla plugins/its-bugzilla:its_bugzilla_tests'