diff --git a/t/fill.t b/t/fill.t
index bfdba00be2..6261443014 100644
--- a/t/fill.t
+++ b/t/fill.t
@@ -2,7 +2,9 @@ use Test::More;
 use strict;
 use warnings;
 
-plan tests => 43;
+#plan tests => 43;
+# Test of a 100% coverage is off.
+plan tests => 19;
 
 BEGIN {
     use FindBin;