From 212f6a35297c0aac6960e0031d7f931596c4c29c Mon Sep 17 00:00:00 2001
From: David Wilson <dw@botanicus.net>
Date: Sun, 4 Aug 2019 15:02:27 +0100
Subject: [PATCH] tests: stop dumping Docker help output in the log.

---
 tests/testlib.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/testlib.py b/tests/testlib.py
index d4387c54..e26c6544 100644
--- a/tests/testlib.py
+++ b/tests/testlib.py
@@ -428,7 +428,7 @@ class DockerizedSshDaemon(object):
 
     def start_container(self):
         try:
-            subprocess__check_output(['docker'])
+            subprocess__check_output(['docker', '--version'])
         except Exception:
             raise unittest2.SkipTest('Docker binary is unavailable')