Add a TLS scenario using Barbican

This patch adds a TLS load balancer scenario test using Barbican.

Story: 1627383
Task: 5149

Change-Id: I7013888f94261d94e1cd4c3167dc84da7125d1da
diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index 94aa8c1..07ec7ff 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -23,6 +23,8 @@
             voting: false
         - octavia-v2-dsvm-py2-scenario-two-node:
             voting: false
+        - octavia-v2-dsvm-tls-barbican:
+            voting: false
     gate:
       queue: octavia
       jobs: