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

    @Test
    public void test_stripHtmlTags_preservesPlainText() {
        assertEquals("plain text", client.testStripHtmlTags("plain text"));
    }

    @Test
    public void test_stripHtmlTags_handlesNull() {
        assertNull(client.testStripHtmlTags(null));