Increase secret order wait timeout

Related-Prod: PRODX-29595
Change-Id: I199442eeabab33b28715b8c9bdefe72ca764561a
diff --git a/barbican_tempest_plugin/tests/api/test_orders.py b/barbican_tempest_plugin/tests/api/test_orders.py
index 70e7169..887f4d1 100644
--- a/barbican_tempest_plugin/tests/api/test_orders.py
+++ b/barbican_tempest_plugin/tests/api/test_orders.py
@@ -26,7 +26,7 @@
     def _wait_for_orders_secret_ref(self):
         """Waits for order key."""
         start = int(time.time())
-        secret_ref_timeout = 15
+        secret_ref_timeout = 60
         while True:
             body = self.order_client.list_orders()
             orders = body.get('orders')