Implement run_beaker_tests.sh

Create run_beaker_tests.sh and in the same way as run_unit_tests.sh
does, run beaker tests for puppet-nova so we can actually test the
library.

Change-Id: I0b8fe790ecb23a18a997061e020cc7806a28e463

run_beaker_tests.sh

@@ -0,0 +1,25 @@
+#!/bin/bash -ex
+# Copyright 2015 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+export SCRIPT_DIR=$(cd `dirname $0` && pwd -P)
+source $SCRIPT_DIR/functions
+
+install_gems
+
+# run beaker tests
+export BEAKER_set=nodepool-centos7
+export BEAKER_debug=yes
+export BEAKER_color=no
+$GEM_HOME/bin/bundle exec rspec spec/acceptance