Fix some test namespace issues

Author: DanielBadura

tests/Fixtures/DummyExtension.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Fixtures;
+namespace Patchlevel\EventSourcingBundle\Tests\Fixtures;
 
 use Patchlevel\Hydrator\Extension;
 use Patchlevel\Hydrator\StackHydratorBuilder;

tests/Fixtures/DummyGuesser.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Fixtures;
+namespace Patchlevel\EventSourcingBundle\Tests\Fixtures;
 
 use Patchlevel\Hydrator\Guesser\Guesser;
 use Patchlevel\Hydrator\Normalizer\Normalizer;

tests/Unit/PatchlevelEventSourcingBundleTest.php

@@ -13,8 +13,8 @@
 use Doctrine\Migrations\Tools\Console\Command\MigrateCommand;
 use Doctrine\Migrations\Tools\Console\Command\StatusCommand;
 use Doctrine\Persistence\ManagerRegistry;
-use Fixtures\DummyExtension;
-use Fixtures\DummyGuesser;
+use Patchlevel\EventSourcingBundle\Tests\Fixtures\DummyExtension;
+use Patchlevel\EventSourcingBundle\Tests\Fixtures\DummyGuesser;
 use InvalidArgumentException;
 use Patchlevel\EventSourcing\Attribute\Aggregate;
 use Patchlevel\EventSourcing\Attribute\Event;