@Test
    public void test_stripHtmlTags_removesAllTags() {
        assertEquals("Hello world", client.testStripHtmlTags("<p>Hello <b>world</b></p>"));
    }

    @Test
    public void test_stripHtmlTags_handlesNestedTags() {
        assertEquals("text", client.testStripHtmlTags("<div><span><a href=\"x\">text</a></span></div>"));
    }

    @Test
    public void test_stripHtmlTags_preservesPlainText() {