tests working with emails alsog

tests/bootstrap.php

@@ -7,6 +7,9 @@ use Cake\Core\Configure;
 use Cake\Core\Plugin;
 use Cake\Database\Connection;
 use Cake\Datasource\ConnectionManager;
+use Cake\Mailer\Mailer;
+use Cake\Mailer\Transport\DebugTransport;
+use Cake\Mailer\TransportFactory;
 use Cake\TestSuite\Fixture\SchemaLoader;
 use CakeContactUs\CakeContactUsPlugin;
 use Migrations\TestSuite\Migrator;
@@ -66,7 +69,34 @@ Configure::write('ContactUs', [
         ],
     ],
 ]);
-
+Configure::write('EmailTransport', [
+    'default' => [
+        'className' => DebugTransport::class,
+    ]
+]);
+TransportFactory::setConfig('default', [
+    'className' => DebugTransport::class,
+]);
+Configure::write('Email', [
+    /*
+    * Email delivery profiles
+    *
+    * Delivery profiles allow you to predefine various properties about email
+    * messages from your application and give the settings a name. This saves
+    * duplication across your application and makes maintenance and development
+    * easier. Each profile accepts a number of keys. See `Cake\Mailer\Email`
+    * for more information.
+    */
+    'default' => [
+        'transport' => 'default',
+        'from' => 'test@example.com',
+        /*
+         * Will by default be set to config value of App.encoding, if that exists otherwise to UTF-8.
+         */
+        //'charset' => 'utf-8',
+        //'headerCharset' => 'utf-8',
+    ],
+]);
 $cache = [
     'default' => [
         'engine' => 'File',
@@ -89,6 +119,7 @@ $cache = [
 ];
 
 Cache::setConfig($cache);
+Mailer::setConfig(Configure::consume('Email'));
 
 class_alias(AppController::class, 'App\Controller\AppController');