使用assertThat测试列表列表是否包含特定元素

import org.junit.Test;
import static org.hamcrest.CoreMatchers.*;
import static org.hamcrest.MatcherAssert.assertThat;
import java.util.Arrays;
import java.util.List;

public class ListTest {
    
    @Test
    public void testListContainsElement() {
        List<String> list = Arrays.asList("apple", "banana", "orange");
        assertThat(list, hasItem("banana"));
    }
}