Tests: fix previous commit (print original message length).

lib/Test/Nginx.pm

diff --git a/lib/Test/Nginx.pm b/lib/Test/Nginx.pm
index 8f099c7..05faeba 100644
--- a/lib/Test/Nginx.pm
+++ b/lib/Test/Nginx.pm
@@ -316,8 +316,9 @@
 	$prefix .= ' ' if length($prefix) > 0;
 
 	if (length($msg) > 4096) {
-		$msg = substr($msg, 0, 4096);
-		$msg .= "(...logged only 4096 of " . length($msg) . " bytes)";
+		$msg = substr($msg, 0, 4096)
+			. "(...logged only 4096 of " . length($msg)
+			. " bytes)";
 	}
 
 	$msg =~ s/^/# $prefix/gm;