assertTrue(result.contains("<li>"));
        assertTrue(result.contains("Item 1"));
        assertTrue(result.contains("Nested 1"));
    }

    @Test
    public void test_render_paragraphWithLineBreak() {
        String markdown = "Line 1  \nLine 2";
        String result = markdownRenderer.render(markdown);
        // Two spaces at end of line creates a line break
        assertTrue(result.contains("<br"));