[FIX] website: remove s_facebook_page snippet from test

It creates race condition, as it contact external ressource, in this case
facebook.com.

Tests should never call external services anyway, it always lead to race
condition.

closes odoo/odoo#74704

Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>

addons/website/tests/test_snippets.py

@@ -22,5 +22,8 @@ class TestSnippets(odoo.tests.HttpCase):
             snippets_template = self.env['ir.ui.view'].render_public_asset('website.snippets')
         html_template = html.fromstring(snippets_template)
         data_snippet_els = html_template.xpath("//*[@class='o_panel' and not(contains(@class, 'd-none'))]//*[@data-snippet]")
-        snippets_names = ','.join([el.attrib['data-snippet'] for el in data_snippet_els])
+        blacklist = [
+            's_facebook_page',  # avoid call to external services (facebook.com)
+        ]
+        snippets_names = ','.join([el.attrib['data-snippet'] for el in data_snippet_els if el.attrib['data-snippet'] not in blacklist])
         self.start_tour("/?enable_editor=1&snippets_names=%s" % snippets_names, "snippets_all_drag_and_drop", login='admin', timeout=300)