Add identity param

Add disable_ssl_cert_verification param to check if using self-signed SSL certificates
Related-prod:PROD-19441

Change-Id: I4602be066a8ea625ce4afb70ab35ff7c79a904f9
diff --git a/metadata/service/tempest/init.yml b/metadata/service/tempest/init.yml
index cae4bce..e1f18ea 100644
--- a/metadata/service/tempest/init.yml
+++ b/metadata/service/tempest/init.yml
@@ -50,6 +50,8 @@
         build_timeout: 600
         min_microversion: 2.1
         max_microversion: 2.53
+      identity:
+        disable_ssl_certificate_validation: false
       orchestration:
         max_template_size: 5440000
         max_resources_per_stack: 20000