fix php-cs-fixer test

Author: tattali

Event/UserEvent.php

@@ -18,7 +18,7 @@
 class UserEvent extends Event
 {
     /**
-     * @var null|Request
+     * @var Request|null
      */
     protected $request;
 

Model/User.php

@@ -472,7 +472,7 @@ public function setPasswordRequestedAt(\DateTime $date = null)
     /**
      * Gets the timestamp that the user requested a password reset.
      *
-     * @return null|\DateTime
+     * @return \DateTime|null
      */
     public function getPasswordRequestedAt()
     {

Model/UserInterface.php

@@ -161,7 +161,7 @@ public function setConfirmationToken($confirmationToken);
     /**
      * Sets the timestamp that the user requested a password reset.
      *
-     * @param null|\DateTime $date
+     * @param \DateTime|null $date
      *
      * @return static
      */

Tests/Mailer/MailerTest.php

@@ -13,7 +13,6 @@
 
 use FOS\UserBundle\Mailer\Mailer;
 use PHPUnit\Framework\TestCase;
-use Swift_Events_EventDispatcher;
 use Swift_Mailer;
 use Swift_Transport_NullTransport;