+ my $mid = '20190401081523.16213-1-BOFH@YHBT.net';
+ my @warn;
+ my $res = do {
+ local $SIG{__WARN__} = sub { push @warn, @_ };
+ $cb->(GET("/$name/$mid/"));
+ };
+ is_deeply(\@warn, [], 'no warnings from rendering diff');
+ like($res->content, qr!>Ω</a>!, 'omega escaped');
+
+ $res = $cb->(GET("/$name/3435775/s/"));