Add zookeeper to bindep

This is to work around a bug in zuul, where it needs zookeeper to be
installed to start properly.

Change-Id: I75498a71af1290db1b2d1fb0214b5ecc393b1e4d
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

.zuul.yaml

@@ -1,5 +1,6 @@
 - job:
     name: ansible-role-zuul
+    parent: unittests
     run: tests/test.yaml
     post-run: tests/collect-logs.yaml
     required-projects:

bindep.txt

@@ -7,3 +7,9 @@ libselinux-python [platform:rpm]
 libssl-dev [platform:dpkg]
 openssl-devel [platform:rpm]
 python2-dnf [platform:fedora]
+
+# NOTE(pabelanger): This is because of a bug in zuul, when zuul-scheduler starts
+# it will fail unless it cannot connect to zookeeper.  However, zuul should be
+# smart enough to try forever to connect.
+zookeeperd [platform:dpkg]
+zookeeper [platform:fedora]

tools/test-setup.sh

@@ -0,0 +1,8 @@
+#!/bin/bash -xe
+
+# This script will be run by OpenStack CI before unit tests are run,
+# it sets up the test system as needed.
+# Developers should setup their test systems in a similar way.
+
+# Be sure zookeeper is started.
+sudo service zookeeper start