Add jobs back to .zuul.yaml

Because our playbooks and roles now exist in external repos in
openstack-infra, we can inherit them and start testing again.

Change-Id: I32125a5f1981fc99a0b9202fc530a9ded633a2c2
Depends-On: Ib776cdce10b1f05501c46f6cf359723960f1bc71
Signed-off-by: Paul Belanger <pabelanger@redhat.com>
diff --git a/.zuul.yaml b/.zuul.yaml
index 93b8cb5..0ae5beb 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -2,4 +2,8 @@
     name: openstack-infra/zuul
     check:
       jobs:
-        - noop
+        - tox-docs
+        - tox-cover
+        - tox-linters
+        - tox-py27
+        - tox-tarball