diff --git a/src/pkg/container/heap/heap_test.go b/src/pkg/container/heap/heap_test.go
index 89d444dd54..5eb54374ab 100644
--- a/src/pkg/container/heap/heap_test.go
+++ b/src/pkg/container/heap/heap_test.go
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package heap
+package heap_test
 
 import (
 	"testing"
 	"container/vector"
+	. "container/heap"
 )