Update more deps and update phpunit to latest, closes #810

composer.json

@@ -60,7 +60,7 @@
     "_comment": ["fos user bundle 2.0.0 tag needed"],
     "require-dev": {
         "symfony/phpunit-bridge": "^2.7 || ^3.0",
-        "phpunit/phpunit": "^5.0"
+        "phpunit/phpunit": "^6.5"
     },
     "scripts": {
         "post-install-cmd": [

src/Packagist/WebBundle/Tests/Model/PackageManagerTest.php

@@ -4,8 +4,9 @@ namespace Packagist\WebBundle\Tests\Model;
 
 use Packagist\WebBundle\Entity\Package;
 use Packagist\WebBundle\Model\PackageManager;
+use PHPUnit\Framework\TestCase;
 
-class PackageManagerTest extends \PHPUnit_Framework_TestCase
+class PackageManagerTest extends TestCase
 {
     public function testNotifyFailure()
     {

src/Packagist/WebBundle/Tests/Package/SymlinkDumperTest.php

@@ -2,13 +2,16 @@
 
 namespace Packagist\WebBundle\Tests\Package;
 
-class SymlinkDumperTest extends \PHPUnit_Framework_TestCase
+use PHPUnit\Framework\TestCase;
+use Packagist\WebBundle\Package\SymlinkDumper;
+
+class SymlinkDumperTest extends TestCase
 {
     private $mockDumper;
 
     public function setUp()
     {
-        $this->mockDumper = $this->getMockBuilder('Packagist\WebBundle\Package\SymlinkDumper')
+        $this->mockDumper = $this->getMockBuilder(SymlinkDumper::class)
             ->disableOriginalConstructor()
             ->getMock();
     }