Update PHPUnit (phiamo#1267)

* Update composer.json

* Fix compatibility

* Update travis configuration

* Remove unused syntaxCheck setting from phpunit.xml.dist

Author: deguif

.travis.yml

@@ -7,6 +7,7 @@ matrix:
   include:
     - php: 7.2
     - php: 7.3
+    - php: 7.4
 
 cache:
   directories:

Tests/Form/AbstractDivLayoutTest.php

@@ -46,7 +46,7 @@ abstract class AbstractDivLayoutTest extends FormIntegrationTestCase
     /**
      * @throws \Twig_Error_Loader
      */
-    protected function setUp()
+    protected function setUp(): void
     {
         // Setup factory for tabs
         $this->tabFactory = Forms::createFormFactory();

Tests/Form/TypeTestCase.php

@@ -51,7 +51,7 @@ class TypeTestCase extends KernelTestCase
     /**
      * Set up.
      */
-    protected function setUp()
+    protected function setUp(): void
     {
         self::bootKernel();
         $this->container = self::$kernel->getContainer();

composer.json

@@ -30,7 +30,7 @@
         "twig/twig": "^1.40 || ^2.9"
     },
     "require-dev": {
-        "phpunit/phpunit": "^6.0",
+        "phpunit/phpunit": "^8.5 || ^9.4",
         "symfony/security-bundle": "^4.4",
         "symfony/translation": "^4.4"
     },

phpunit.xml.dist

@@ -8,7 +8,6 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="vendor/autoload.php"
 >
     <testsuites>