fix js example test

Author: davidism

examples/javascript/tests/test_js_example.py

@@ -5,7 +5,7 @@
 @pytest.mark.parametrize(
     ("path", "template_name"),
     (
-        ("/", "xhr.html"),
+        ("/", "fetch.html"),
         ("/plain", "xhr.html"),
         ("/fetch", "fetch.html"),
         ("/jquery", "jquery.html"),