REGTESTS: healthcheckmail: Relax health-check failure condition

The info field in the log message may change. For instance, on FreeBSD, a
"broken pipe" is reported. Thus, the expected log message must be more
generic.

(cherry picked from commit af936762d0548bae80bd9898fb3d4465570aedb5)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 2bd2ad5a82a6d8319d3e016df5bf2b613d2641f6)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 859fdbc95f45d7f2dfd39356d16022df6f07a299)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
diff --git a/reg-tests/mailers/healthcheckmail.vtc b/reg-tests/mailers/healthcheckmail.vtc
index e6b668e..43bf588 100644
--- a/reg-tests/mailers/healthcheckmail.vtc
+++ b/reg-tests/mailers/healthcheckmail.vtc
@@ -5,7 +5,7 @@
 
 syslog S1 -level notice {
     recv
-    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv1 failed.+reason: Socket error.+info: \"Connection reset by peer\".+check duration: [[:digit:]]+ms.+status: 0/1 DOWN."
+    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv1 failed.+reason: Socket error.+info: \".+\".+check duration: [[:digit:]]+ms.+status: 0/1 DOWN."
     recv info
     expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Result=SUCCESS Bytes=[[:digit:]]+"
 } -start