tests: crutch-fix json parsing in show_pb()

gsmolk · gsmolk · commit 94d7c4bb3b8b · 2019-01-12T01:42:01.000+03:00
diff --git a/tests/helpers/ptrack_helpers.py b/tests/helpers/ptrack_helpers.py
@@ -722,8 +722,9 @@ def show_pb(
         if backup_id:
             cmd_list += ['-i', backup_id]
 
+        # AHTUNG, WARNING will break json parsing
         if as_json:
-            cmd_list += ['--format=json']
+            cmd_list += ['--format=json', '--log-level-console=error']
 
         if as_text:
             # You should print it when calling as_text=true
