Fix test php_index2, fallback in /index.php

templates/etc/nginx/sites-available/_php_index2.j2

@@ -1,5 +1,9 @@
 {% extends "_php.j2" %}
 
+{% block template_try_files %}
+		try_files {{ override_try_files | default('$uri $uri/ /index.php') }};
+{% endblock %}
+
 {% block template_upstream_location %}
 	location = /index.php {
 		# {{ php_info }}