Added a Docker-based fresh WordPress integration test

src/app/Http/Controllers/AuthenticateController.php

@@ -54,12 +54,13 @@ class AuthenticateController extends InvocableController
         }
         $random_password = wp_generate_password(12, true);
         $username = $identifier_value;
+        $email = $identifier_name === 'email' ? $identifier_value : '';
 
         if (username_exists($username)) {
             $username .= '_'.wp_generate_password(4, false);
         }
 
-        $user_id = wp_create_user($username, $random_password);
+        $user_id = wp_create_user($username, $random_password, $email);
 
         if (is_wp_error($user_id)) {
             wp_die(view('invalid-token'), 'Invalid Token', ['response' => 500]);

src/helpers.php

@@ -1,10 +1,13 @@
 <?php
 
 if (!function_exists('view')) {
-    function view(string $view)
+    function view(string $view): string
     {
         $basedir = plugin_dir_path(__FILE__);
+        ob_start();
         include "{$basedir}resources/views/$view.php";
+
+        return ob_get_clean();
     }
 }