Fixed tests on the Security and Form components

Author: derrabus

Security.php

@@ -34,7 +34,10 @@ public function __construct(ContainerInterface $container)
         $this->container = $container;
     }
 
-    public function getUser(): ?UserInterface
+    /**
+     * @return UserInterface|null
+     */
+    public function getUser()
     {
         if (!$token = $this->getToken()) {
             return null;

Tests/Encoder/EncoderFactoryTest.php

@@ -135,7 +135,7 @@ public function testGetEncoderForEncoderAwareWithClassName()
 
 class SomeUser implements UserInterface
 {
-    public function getRoles()
+    public function getRoles(): array
     {
     }
 
@@ -164,7 +164,7 @@ class EncAwareUser extends SomeUser implements EncoderAwareInterface
 {
     public $encoderName = 'encoder_name';
 
-    public function getEncoderName(): string
+    public function getEncoderName(): ?string
     {
         return $this->encoderName;
     }