hs-test: add tls proxy test

Type: test

Change-Id: I8f3f4c464907356bb1990ea53f0f46befc057acf
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
diff --git a/extras/hs-test/vppinstance.go b/extras/hs-test/vppinstance.go
index e31b792..e909b85 100644
--- a/extras/hs-test/vppinstance.go
+++ b/extras/hs-test/vppinstance.go
@@ -58,6 +58,7 @@
   plugin http_plugin.so { enable }
   plugin http_static_plugin.so { enable }
   plugin prom_plugin.so { enable }
+  plugin tlsopenssl_plugin.so { enable }
 }
 
 logging {