Add new job with integration tests for saas/core/auth

Change-Id: I1dc523d4ed1552bcddbcbd38fa089dec7ff39744
Partially-Closes: PROD-18397
Partially-Closes: PROD-18398
diff --git a/jenkins/client/job/saas/init.yml b/jenkins/client/job/saas/init.yml
index 5ec05c1..33ebbe4 100644
--- a/jenkins/client/job/saas/init.yml
+++ b/jenkins/client/job/saas/init.yml
@@ -1,2 +1,3 @@
 classes:
   - system.jenkins.client.job.saas.test_saas_ui
+  - system.jenkins.client.job.saas.test_saas_core_auth