$content = readfile('t/tmp/in/two.mdwn');
like($content, qr{Here is new content for the second page});
+ # We have to wait 1 second here so that new writes are guaranteed
+ # to have a strictly larger mtime.
+ sleep 1;
+
# This one can legitimately be reverted
$content = run_cgi(method => 'post',
params => {