diff --git a/24_testing/math_test.go b/24_testing/math_test.go
index 76b78e7f..6d3589a0 100755
--- a/24_testing/math_test.go
+++ b/24_testing/math_test.go
@@ -1,5 +1,6 @@
 package math
 
+//test
 import (
 	"fmt"
 	"testing"