Don't require tests results on device-management

Change-Id: I8b20c8164573d2e3beb9373cd19f5c7b99ac05ba
diff --git a/jjb/verify/device-management.yaml b/jjb/verify/device-management.yaml
index e611365..5617e8e 100644
--- a/jjb/verify/device-management.yaml
+++ b/jjb/verify/device-management.yaml
@@ -17,7 +17,8 @@
       - 'verify-licensed'
       - 'tag-collision-reject':
           dependency-jobs: 'verify_device-management_licensed'
-      - 'make-unit-test'
+      - 'make-unit-test':
+          junit-allow-empty-results: true
 
 - job-group:
     name: 'publish-device-management-jobs'