[PATCH v7 026/104] tests/docker/docker.py: return error code if probe fails

We are not necessarily interested to know which engine is available.
However, parsing "no" as an answer is not intuitive, compared to
read an exit code.

Thus, exit with 1 if no engine is available.

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Tested-by: Alex Bennée <[email protected]>
Tested-by: Aniket Sahu <[email protected]>
Signed-off-by: Pierrick Bouvier <[email protected]>
---
 tests/docker/docker.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index d2f39b5645b..fea6d0f85af 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -604,6 +604,7 @@ def run(self, args, argv):
             print(" ".join(docker._command))
         except Exception:
             print("no")
+            return 1
 
         return
 
-- 
2.43.0