net: use io.Discard in TestSendfileOnWriteTimeoutExceeded

Replace ioutil.Discard which is deprecated as of Go 1.16.

This was already done in CL 263142 but accidentially re-introduced in
CL 285914.

Change-Id: Ife0944d416294b1ba7c8f6b602aa68a3b9213c50
Reviewed-on: https://go-review.googlesource.com/c/go/+/299989
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Go Bot <gobot@golang.org>

diff --git a/src/net/sendfile_test.go b/src/net/sendfile_test.go
index db72daa32860afb6a498649f3def129965608198..54e51fa0abc66e38a1646bd04cd443f82ef04833 100644 (file)
--- a/src/net/sendfile_test.go
+++ b/src/net/sendfile_test.go
@@ -14,7 +14,6 @@ import (
        "errors"
        "fmt"
        "io"
-       "io/ioutil"
        "os"
        "runtime"
        "sync"
@@ -367,7 +366,7 @@ func TestSendfileOnWriteTimeoutExceeded(t *testing.T) {
        }
        defer conn.Close()
 
-       n, err := io.Copy(ioutil.Discard, conn)
+       n, err := io.Copy(io.Discard, conn)
        if err != nil {
                t.Fatalf("expected nil error, but got %v", err)
        }