Fix test

Author: porky256

mmv1/templates/terraform/examples/backend_service_tls_settings.tf.tmpl

@@ -6,15 +6,13 @@ resource "google_compute_backend_service" "{{$.PrimaryResourceId}}" {
   protocol = "HTTPS"
   tls_settings {
     sni = "example.com"
-    subjectAltNames = [
-      {
+    subject_alt_names {
         dns_name = "example.com"
-      },
-      {
+    }
+    subject_alt_names {
         uniform_resource_identifier = "https://example.com"
-      }
-    ]
-    authentication_config = [google_network_security_backend_authentication_config.default.id]
+    }
+    authentication_config = "//networksecurity.googleapis.com/${google_network_security_backend_authentication_config.default.id}"
   }
 }