Redraw if stylesheets is empty

panel/tests/ui/pane/test_markup.py

@@ -1,9 +1,12 @@
+from html import escape
+
 import pytest
 
 pytest.importorskip("playwright")
 
 from playwright.sync_api import expect
 
+from panel.models import HTML
 from panel.pane import Markdown
 from panel.tests.util import serve_component, wait_until
 
@@ -85,3 +88,12 @@ def test_markdown_pane_visible_toggle(page):
     md.visible = True
 
     wait_until(lambda: page.locator(".markdown").locator("div").is_visible(), page)
+
+def test_html_model(page):
+    text = "<h1>Header</h1>"
+    html = HTML(text=escape(text), width=200, height=200)
+    serve_component(page, html)
+
+    header_element = page.locator('h1:has-text("Header")')
+    assert header_element.is_visible()
+    assert header_element.text_content() == "Header"