if t.Failed() {
				t.Logf("OpenSSL output:\n\n%s", stdout.all)
			}
		}()
	} else {
		clientConn, serverConn = localPipe(t)
	}

	doneChan := make(chan bool)
	defer func() {
		clientConn.Close()
		<-doneChan
	}()
	go func() {
		defer close(doneChan)

		config := test.config
		if config == nil {
			config = testConfig
		}
		client := Client(clientConn, config)
		defer client.Close()

	cmd.Stderr = &output
	if err := cmd.Start(); err != nil {
		return nil, nil, err
	}

	connChan := make(chan any, 1)
	go func() {
		tcpConn, err := l.Accept()
		if err != nil {
			connChan <- err
			return
		}
		connChan <- tcpConn
	}()

	var tcpConn net.Conn
	select {
	case connOrError := <-connChan:
		if err, ok := connOrError.(error); ok {
			return nil, nil, err
		}