added travis ci integration

.env.travis

@@ -0,0 +1,10 @@
+APP_ENV=testing
+APP_KEY=Gfl7u2OcTQjPIPDMoi4ckoS4jTpGXqlE
+
+DB_CONNECTION=testing
+DB_TEST_USERNAME=root
+DB_TEST_PASSWORD=
+
+CACHE_DRIVER=array
+SESSION_DRIVER=array
+QUEUE_DRIVER=sync

.travis.yml

@@ -0,0 +1,13 @@
+language: php
+
+php:
+  - 7.1
+  - 5.6
+
+before_script:
+  - cp .env.travis .env
+  - composer self-update
+  - composer install --no-interaction
+
+script:
+  - vendor/bin/phpunit

app/Listeners/UserEventsListener.php

@@ -5,6 +5,7 @@
 use Illuminate\Events\Dispatcher;
 use App\Events\UserEvents\UserCreatedEvent;
 use App\Mails\WelcomeEmail;
+use Illuminate\Support\Facades\Mail;
 
 class UserEventsListener
 {
@@ -18,7 +19,7 @@ public function onUserCreatedEvent($event)
         $user = $event->user;
 
         //send welcome email to the user
-        \Mail::to($user)->send(new WelcomeEmail($user));
+        Mail::to($user)->send(new WelcomeEmail($user));
     }
 
     /**

bootstrap/app.php

@@ -53,7 +53,6 @@
 
 // mail configurations
 $app->configure('mail');
-class_alias('Illuminate\Support\Facades\Mail', 'mail');
 
 /*
 |--------------------------------------------------------------------------