}
my $outpath = "t/tmp/out/imgconversions";
-open (my $outhtmlfd, "<", "$outpath.html");
-local $/=undef;
-my $outhtml = <$outhtmlfd>;
-close $outhtmlfd;
+my $outhtml = readfile("$outpath.html");
is(size("$outpath/10x-redsquare.png"), "10x10");
ok(! -e "$outpath/30x-redsquare.png");