在单元测试中隐藏stderr输出

import unittest
from unittest.mock import patch

class TestExample(unittest.TestCase):
    @patch('sys.stderr')
    def test_example(self, mock_stderr):
        # Your test code here
        pass

def test_example(caplog):
    # Your test code here
    pass

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

public class ExampleTest {
    private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
    private final PrintStream originalOut = System.out;

    @BeforeEach
    public void setUpStreams() {
        System.setErr(new PrintStream(outContent));
    }

    @Test
    public void testExample() {
        // Your test code here
    }

    @AfterEach
    public void restoreStreams() {
        System.setErr(originalOut);
    }
}