diff --git a/repository/repo_testing.go b/repository/repo_testing.go
index 09332e62f46f375e3f9960fd4ecde3037dfd5a11..3dd702f458876c90c8562468573639cc2eb61283 100644
--- a/repository/repo_testing.go
+++ b/repository/repo_testing.go
@@ -63,6 +63,9 @@ func RepoStorageTest(t *testing.T, repo RepoStorage) {
 	_, err = f.Write([]byte("hello"))
 	require.NoError(t, err)
 
+	err = f.Close()
+	require.NoError(t, err)
+
 	// remove all
 	err = storage.RemoveAll(".")
 	require.NoError(t, err)