try

Author: Massimiliano Pippi

test/conftest.py

@@ -67,6 +67,6 @@ def _run(cmd_string):
         cli_full_line = "{} {}".format(cli_path, cmd_string)
         run_context = Context()
         with run_context.cd(working_dir):
-            return run_context.run(cli_full_line, echo=False, warn=True, env=env)
+            return run_context.run(cli_full_line, echo=False, hide=True, env=env)
 
     return _run