Add test to instantiate Loader with ManagerRegistry

Tests/Command/LoadDataFixturesDoctrineCommandTest.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Bundle\FixturesBundle\Tests\Command;
+
+use Doctrine\Bundle\FixturesBundle\Command\LoadDataFixturesDoctrineCommand;
+use Doctrine\Bundle\FixturesBundle\Loader\SymfonyFixturesLoader;
+use Doctrine\Common\Persistence\ManagerRegistry;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\Container;
+
+class LoadDataFixturesDoctrineCommandTest extends TestCase
+{
+    /**
+     * @group legacy
+     * @expectedDeprecation The "Doctrine\Bundle\FixturesBundle\Command\LoadDataFixturesDoctrineCommand" constructor expects a "Doctrine\Common\Persistence\ManagerRegistry" instance as second argument, not passing it will throw a \TypeError in DoctrineFixturesBundle 4.0.
+     */
+    public function testInstantiatingWithoutManagerRegistry() : void
+    {
+        $loader = new SymfonyFixturesLoader(new Container());
+
+        new LoadDataFixturesDoctrineCommand($loader);
+    }
+
+    /**
+     * @doesNotPerformAssertions
+     */
+    public function testInstantiatingWithManagerRegistry() : void
+    {
+        $registry = $this->createMock(ManagerRegistry::class);
+        $loader   = new SymfonyFixturesLoader(new Container());
+
+        new LoadDataFixturesDoctrineCommand($loader, $registry);
+    }
+}

phpunit.xml.dist

@@ -17,4 +17,8 @@
             </exclude>
         </whitelist>
     </filter>
+
+    <listeners>
+        <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener"/>
+    </listeners>
 </phpunit>