From 8f9aed1ce5f8064b085af9dbf05ca12e3596645d Mon Sep 17 00:00:00 2001
From: Greg Fitzgerald <greg@solana.com>
Date: Wed, 11 Jul 2018 15:05:03 -0600
Subject: [PATCH] Fix flaky test

The test would fail any time the original value was coincidently
the same as the new bogus value.
---
 src/sigverify.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sigverify.rs b/src/sigverify.rs
index d6fb66fe24acb7..c4bfeb6bc975f1 100644
--- a/src/sigverify.rs
+++ b/src/sigverify.rs
@@ -186,7 +186,7 @@ mod tests {
 
         // jumble some data to test failure
         if modify_data {
-            packet.data[20] = 10;
+            packet.data[20] = packet.data[20].wrapping_add(10);
         }
 
         // generate packet vector