Fix failing StoryBoard job

The `gate-storyboard-js-integration` non-voting job is failing because
of an incorrect path. This commit makes the job use the correct path.

Change-Id: I921c3ada36b037a556984920d365b47a20ba2054

jenkins/jobs/storyboard.yaml

@@ -35,8 +35,9 @@
 
           export CREATE_USER=1
           export DB_ADMIN_USER=root
+          export STORYBOARD_PATH=openstack-infra/storyboard
 
-          ./storyboard/tools/install_test_backend.sh
+          ./openstack-infra/storyboard/tools/install_test_backend.sh
 
       - js-build:
           command: 'test:integration'
@@ -46,7 +47,7 @@
 
       - shell: |
           #!/bin/bash -xe
-          ./storyboard/tools/destroy_test_backend.sh
+          ./openstack-infra/storyboard/tools/destroy_test_backend.sh
 
     publishers:
       - console-log