Use test context in tests and new loop system in benchmarks (#33648)

Replace all contexts in tests with go1.24 t.Context()

---------

Co-authored-by: Giteabot <teabot@gitea.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

modules/log/event_writer_conn_test.go

@@ -4,7 +4,6 @@
 package log
 
 import (
-	"context"
 	"fmt"
 	"io"
 	"net"
@@ -40,7 +39,7 @@ func TestConnLogger(t *testing.T) {
 	level := INFO
 	flags := LstdFlags | LUTC | Lfuncname
 
-	logger := NewLoggerWithWriters(context.Background(), "test", NewEventWriterConn("test-conn", WriterMode{
+	logger := NewLoggerWithWriters(t.Context(), "test", NewEventWriterConn("test-conn", WriterMode{
 		Level:        level,
 		Prefix:       prefix,
 		Flags:        FlagsFromBits(flags),