MDL-72173 behat: Add and use behat logout URL

auth/tests/behat/behat_auth.php

@@ -53,7 +53,7 @@ public function i_log_in_as(string $username, moodle_url $wantsurl = null) {
             return;
         }
 
-        $loginurl = new moodle_url('/lib/tests/behat/login.php', [
+        $loginurl = new moodle_url('/auth/tests/behat/login.php', [
             'username' => $username,
         ]);
         if ($wantsurl !== null) {
@@ -70,11 +70,6 @@ public function i_log_in_as(string $username, moodle_url $wantsurl = null) {
      * @Given /^I log out$/
      */
     public function i_log_out() {
-
-        // Wait for page to be loaded.
-        $this->wait_for_pending_js();
-
-        // Click on logout link in footer, as it's much faster.
-        $this->execute('behat_general::i_click_on_in_the', array(get_string('logout'), 'link', '#page-footer', "css_element"));
+        $this->execute('behat_general::i_visit', [new moodle_url('/auth/tests/behat/logout.php')]);
     }
 }

lib/tests/behat/login.php → auth/tests/behat/login.php

@@ -58,7 +58,7 @@
             $reason = get_string('unauthorisedlogin', 'core', $username);
             break;
         default:
-            $reason = "Unknown login failure: '{$failureeason}'";
+            $reason = "Unknown login failure: '{$failurereason}'";
             break;
 
     }

auth/tests/behat/logout.php

@@ -0,0 +1,41 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+// phpcs:disable moodle.Files.RequireLogin.Missing
+// phpcs:disable moodle.PHP.ForbiddenFunctions.Found
+
+/**
+ * Login end point for Behat tests only.
+ *
+ * @package    core_auth
+ * @category   test
+ * @copyright  Andrew Lyons <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+require(__DIR__.'/../../../config.php');
+
+$behatrunning = defined('BEHAT_SITE_RUNNING') && BEHAT_SITE_RUNNING;
+if (!$behatrunning) {
+    redirect(new moodle_url('/login/logout.php'));
+}
+
+require_logout();
+
+$login = optional_param('loginpage', 0, PARAM_BOOL);
+if ($login) {
+    redirect(get_login_url());
+} else {
+    redirect(new moodle_url('/'));
+}