use legacy error check in the common.TestSleep

internal/common/sleep_test.go

@@ -2,7 +2,6 @@ package common_test
 
 import (
 	"context"
-	"errors"
 	"testing"
 	"time"
 
@@ -14,7 +13,7 @@ func TestSleep(test *testing.T) {
 	var t = func(name string, ctx context.Context, expected error) {
 		test.Run(name, func(test *testing.T) {
 			var err = common.Sleep(ctx, dt)
-			if !errors.Is(err, expected) {
+			if err != expected {
 				test.Errorf("expected %v, got %v", expected, err)
 			}
 		})