Create packages client/internal/ retry and lhttp.

client/internal/common/utils_test.go

Index: client/internal/common/utils_test.go
diff --git a/client/internal/common/utils_test.go b/client/internal/common/utils_test.go
index d4c80eb7c52e73504b9883ab6e7755761efd3c3c..39e8bd177dad868f736ee94f9b67178a7666c4f6 100644
--- a/client/internal/common/utils_test.go
+++ b/client/internal/common/utils_test.go
@@ -5,7 +5,6 @@
 package common
 
 import (
-	"errors"
 	"testing"
 	"time"
 
@@ -35,23 +34,6 @@ func TestSizeToString(t *testing.T) {
 	}
 }
 
-func TestURLToHTTPS(t *testing.T) {
-	data := []struct {
-		in       string
-		expected string
-		err      error
-	}{
-		{"foo", "https://foo", nil},
-		{"https://foo", "https://foo", nil},
-		{"http://foo", "", errors.New("Only https:// scheme is accepted. It can be omitted.")},
-	}
-	for i, line := range data {
-		out, err := URLToHTTPS(line.in)
-		ut.AssertEqualIndex(t, i, line.expected, out)
-		ut.AssertEqualIndex(t, i, line.err, err)
-	}
-}
-
 func TestRound(t *testing.T) {
 	data := []struct {
 		in       time.Duration