Adding upstream version 3.10.8.

Signed-off-by: Daniel Baumann <daniel@debian.org>

util/retry_test.go

@@ -0,0 +1,24 @@
+// Copyright Earl Warren <contact@earl-warren.org>
+// Copyright Loïc Dachary <loic@dachary.org>
+// SPDX-License-Identifier: MIT
+
+package util
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRetryOK(t *testing.T) {
+	Retry(func() {}, 1)
+	i := 0
+	Retry(func() {
+		i++
+		if i < 3 {
+			panic(fmt.Errorf("i == %d", i))
+		}
+	}, 5)
+	assert.EqualValues(t, i, 3)
+}