From b45a23b68ea8eb27f2b616f3f1fc32532cdcf03c Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Fri, 19 Nov 2021 01:48:00 -0500
Subject: 127 is also a control character

---
 tests/helpers/mod.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/helpers/mod.rs b/tests/helpers/mod.rs
index d3dd05d..5839f02 100644
--- a/tests/helpers/mod.rs
+++ b/tests/helpers/mod.rs
@@ -251,7 +251,9 @@ pub fn format_bytes(bytes: &[u8]) -> String {
             10 => v.extend(b"\\n"),
             13 => v.extend(b"\\r"),
             27 => v.extend(b"\\e"),
-            c if c < 32 => v.extend(format!("\\x{:02x}", c).as_bytes()),
+            c if c < 32 || c == 127 => {
+                v.extend(format!("\\x{:02x}", c).as_bytes())
+            }
             b => v.push(b),
         }
     }
-- 
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