module example

go 1.20
-- main_test.go --
package main

import (
	"fmt"
	"io"
	"os"
	"os/exec"
	"testing"
	"time"
)

func TestMain(m *testing.M) {
	if os.Getenv("TEST_TIMEOUT_HANG") == "1" {
		io.Copy(io.Discard, os.Stdin)
		if _, err := os.Stderr.WriteString("stdin closed\n"); err != nil {
			os.Exit(1)
		}

		ticker := time.NewTicker(100 * time.Millisecond)
		for t := range ticker.C {