[feature/twig] PHP test moved to a separate file

This had to be done because cached template files are available in memory,
so Twig doesn't ever reparse a template on the same page load

PHPBB3-11598

tests/template/template_php_test.php

@@ -0,0 +1,21 @@
+<?php
+/**
+*
+* @package testing
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+require_once dirname(__FILE__) . '/../../phpBB/includes/functions.php';
+require_once dirname(__FILE__) . '/template_test_case.php';
+
+class phpbb_template_template_php_test extends phpbb_template_template_test_case
+{
+	public function test_php()
+	{
+		$this->setup_engine(array('tpl_allow_php' => true));
+
+		$this->run_template('php.html', array(), array(), array(), 'test');
+	}
+}