diff --git a/laces/tests/test_templatetags/test_laces.py b/laces/tests/test_templatetags/test_laces.py
index 46c58f8..e957b73 100644
--- a/laces/tests/test_templatetags/test_laces.py
+++ b/laces/tests/test_templatetags/test_laces.py
@@ -38,7 +38,7 @@ def render_parent_template_with_context(self, context: dict):
         return self.parent_template.render(Context(context))
 
     def assertRenderHTMLCalledWith(self, context: dict):
-        self.assertTrue(self.component.render_html.called_with(Context(context)))
+        self.component.render_html.assert_called_with(Context(context))
 
     def test_render_html_return_in_parent_template(self):
         self.assertEqual(self.component.render_html(), "Rendered HTML")