Update upgrade scripts to use queens

Change-Id: Ib2695f564690b5494f2009e9a39b97128ef9ec06

tests/ansible-role-requirements.yml

@@ -65,7 +65,7 @@
 - name: os_previous_nova
   src: https://git.openstack.org/openstack/openstack-ansible-os_nova
   scm: git
-  version: stable/pike
+  version: stable/queens
 - name: opendaylight
   scm: git
   src: https://github.com/opendaylight/integration-packaging-ansible-opendaylight

tests/tests-repo-clone.sh

@@ -110,7 +110,7 @@ fi
 # tests repo are not supported.
 if [[ "${CLONE_UPGRADE_TESTS}" == "yes" ]]; then
     if [[ ! -d "${WORKING_DIR}/tests/common/previous" ]]; then
-        git clone -b stable/pike \
+        git clone -b stable/queens \
             https://git.openstack.org/openstack/openstack-ansible-tests \
             ${WORKING_DIR}/tests/common/previous
   fi