diff -r b42788f5d0a9 -r eb74680a5e43 testsuite.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testsuite.py	Fri Jan 19 13:41:23 2018 +0200
@@ -0,0 +1,6 @@
+def warning(object, *message):
+    return {
+        'type': 'warning',
+        'object': object,
+        'message': str.format(*message),
+    }
\ No newline at end of file