From 2a91bd742eab3cfee64281bd7fcd50da4e0a467d Mon Sep 17 00:00:00 2001
From: Dima Kogan <dima@secretsauce.net>
Date: Mon, 8 Feb 2021 23:03:55 -0800
Subject: [PATCH] test can handle missing ref files

useful for new tests
---
 t/plots.t | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/t/plots.t b/t/plots.t
index 642d4d3..bd07d0e 100644
--- a/t/plots.t
+++ b/t/plots.t
@@ -322,7 +322,7 @@ sub readfile
 {
     my $path = $_[0];
 
-    open my $fd, '<', $path or die "Couldn't open '$path'";
+    open my $fd, '<', $path or return '';
     local $/ = undef;
     my $dat = <$fd>;
     close $fd;