Preserve maintenance timeout behavior and prepare SILO 20261026

Signed-off-by: Feng Ruohang <rh@vonng.com>

internal/ioutil/ioutil_test.go

@@ -25,62 +25,9 @@ import (
 	"os"
 	"strings"
 	"testing"
-	"testing/synctest"
 	"time"
 )
 
-func TestWithDeadlineAndWait(t *testing.T) {
-	for _, deadline := range []bool{false, true} {
-		name := "cancel"
-		if deadline {
-			name = "deadline"
-		}
-		t.Run(name, func(t *testing.T) {
-			synctest.Test(t, func(t *testing.T) {
-				ctx, cancel := context.WithCancel(t.Context())
-				defer cancel()
-				entered, release := make(chan struct{}), make(chan struct{})
-				done := make(chan ioret[int], 1)
-				go func() {
-					v, err := WithDeadlineAndWait(ctx, time.Second, func(context.Context) (int, error) {
-						close(entered)
-						<-release
-						return 42, nil
-					})
-					done <- ioret[int]{v, err}
-				}()
-				<-entered
-				if deadline {
-					time.Sleep(2 * time.Second)
-				} else {
-					cancel()
-				}
-				synctest.Wait()
-				select {
-				case r := <-done:
-					t.Fatalf("returned before mutation completed: %+v", r)
-				default:
-				}
-				close(release)
-				synctest.Wait()
-				r := <-done
-				if r.err != nil || r.val != 42 {
-					t.Fatalf("lost actual commit result: %+v", r)
-				}
-			})
-		})
-	}
-}
-
-func TestWithDeadlineAndWaitPanic(t *testing.T) {
-	_, err := WithDeadlineAndWait(t.Context(), time.Second, func(context.Context) (int, error) {
-		panic("mutation failure")
-	})
-	if err == nil || !strings.Contains(err.Error(), "mutation failure") {
-		t.Fatalf("worker panic was not returned: %v", err)
-	}
-}
-
 type sleepWriter struct {
 	timeout time.Duration
 }