Re-enable temporary the env. variables until
[AETHER-523] and [AETHER=544] are not closed.

Change-Id: Ifeafe1c9bbcdd1fe1abc40dfb9fb7a838fd80ced
diff --git a/jjb/repos/tost-onos.yaml b/jjb/repos/tost-onos.yaml
index b581054..981fdbe 100644
--- a/jjb/repos/tost-onos.yaml
+++ b/jjb/repos/tost-onos.yaml
@@ -20,6 +20,8 @@
       - 'tag-check':
           dependency-jobs: 'license-check_tost-onos'
       - 'private-make-test':
+          make-test-vars: |-
+            ONOS_BRANCH=onos-2.2
           make-test-targets: 'docker-build'
           junit-allow-empty-results: true
           build-node: '{bigger-build-node}'
@@ -33,4 +35,6 @@
           docker-registry: 'registry.aetherproject.org'
           maintainers: 'charles@opennetworking.org, pier@opennetworking.org'
           build-timeout: 30
+          extraEnvironmentVars: >-
+            ONOS_BRANCH=onos-2.2
           dependency-jobs: 'version-tag'