diff --git a/composer.json b/composer.json
index f620320..89e9085 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
         }
     },
     "require-dev": {
-        "phpunit/phpunit": "^11.5",
+        "phpunit/phpunit": "^9.6.22",
         "rector/rector": "^2.0",
         "phpstan/phpstan": "^2.1"
     },
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..ef708d4
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- https://phpunit.readthedocs.io/en/latest/configuration.html -->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="tests/bootstrap.php"
+>
+    <php>
+        <ini name="display_errors" value="1" />
+        <ini name="error_reporting" value="-1" />
+        <server name="APP_ENV" value="test" force="true" />
+        <server name="SHELL_VERBOSITY" value="-1" />
+        <server name="SYMFONY_PHPUNIT_REMOVE" value="" />
+        <server name="SYMFONY_PHPUNIT_VERSION" value="9.5" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony Test Files">
+            <directory>tests</directory>
+            <exclude>src/Field/Configurator</exclude>
+            <exclude>src/Subscriber</exclude>
+        </testsuite>
+    </testsuites>
+
+    <coverage processUncoveredFiles="true">
+        <include>
+            <directory suffix=".php">src</directory>
+        </include>
+        <exclude>
+            <directory suffix=".php">src/Field/Configurator</directory>
+            <directory suffix=".php">src/Subscriber</directory>
+            <file>src/FileUploadFieldBundle.php</file>
+        </exclude>
+    </coverage>
+</phpunit>
diff --git a/src/Field/Configurator/FileConfigurator.php b/src/Field/Configurator/FileConfigurator.php
deleted file mode 100644
index 1c6f453..0000000
--- a/src/Field/Configurator/FileConfigurator.php
+++ /dev/null
@@ -1,91 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace BytesCommerce\FileUploadField\Field\Configurator;
-
-use BytesCommerce\FileUploadField\Field\FileField;
-use EasyCorp\Bundle\EasyAdminBundle\Config\Crud;
-use EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext;
-use EasyCorp\Bundle\EasyAdminBundle\Contracts\Field\FieldConfiguratorInterface;
-use EasyCorp\Bundle\EasyAdminBundle\Dto\EntityDto;
-use EasyCorp\Bundle\EasyAdminBundle\Dto\FieldDto;
-use EasyCorp\Bundle\EasyAdminBundle\Field\ImageField;
-use EasyCorp\Bundle\EasyAdminBundle\Registry\TemplateRegistry;
-use Symfony\Component\DependencyInjection\Attribute\AutoconfigureTag;
-use function Symfony\Component\String\u;
-
-/**
- * @author Maximilian Graf Schimmelmann <schimmelmann@bytes-commerce.de>
- */
-#[AutoconfigureTag('ea.field_configurator')]
-final readonly class FileConfigurator implements FieldConfiguratorInterface
-{
-    public function __construct(
-        private string $projectDir,
-    ) {}
-
-    public function supports(FieldDto $field, EntityDto $entityDto): bool
-    {
-        return FileField::class === $field->getFieldFqcn();
-    }
-
-    public function configure(FieldDto $field, EntityDto $entityDto, AdminContext $context): void
-    {
-        $configuredBasePath = $field->getCustomOption(ImageField::OPTION_BASE_PATH);
-        $formattedValue = \is_array($field->getValue())
-            ? $this->getImagesPaths($field->getValue(), $configuredBasePath)
-            : $this->getImagePath($field->getValue(), $configuredBasePath);
-        $field->setFormattedValue($formattedValue);
-
-        $field->setFormTypeOption('upload_filename', $field->getCustomOption(ImageField::OPTION_UPLOADED_FILE_NAME_PATTERN));
-
-        if (null === $formattedValue || '' === $formattedValue || (\is_array($formattedValue) && 0 === \count($formattedValue)) || $formattedValue === rtrim($configuredBasePath ?? '', '/')) {
-            $field->setTemplateName('label/empty');
-        }
-
-        if (!\in_array($context->getCrud()->getCurrentPage(), [Crud::PAGE_EDIT, Crud::PAGE_NEW], true)) {
-            return;
-        }
-
-        $relativeUploadDir = $field->getCustomOption(ImageField::OPTION_UPLOAD_DIR);
-        if (null === $relativeUploadDir) {
-            throw new \InvalidArgumentException(sprintf('The "%s" image field must define the directory where the images are uploaded using the setUploadDir() method.', $field->getProperty()));
-        }
-        $relativeUploadDir = u($relativeUploadDir)->trimStart(\DIRECTORY_SEPARATOR)->ensureEnd(\DIRECTORY_SEPARATOR)->toString();
-        $isStreamWrapper = filter_var($relativeUploadDir, \FILTER_VALIDATE_URL);
-        if ($isStreamWrapper) {
-            $absoluteUploadDir = $relativeUploadDir;
-        } else {
-            $absoluteUploadDir = u($relativeUploadDir)->ensureStart($this->projectDir . \DIRECTORY_SEPARATOR)->toString();
-        }
-        $field->setFormTypeOption('upload_dir', $absoluteUploadDir);
-
-        $field->setFormTypeOption('file_constraints', $field->getCustomOption(ImageField::OPTION_FILE_CONSTRAINTS));
-    }
-
-    private function getImagesPaths(?array $images, ?string $basePath): array
-    {
-        $imagesPaths = [];
-        foreach ($images as $image) {
-            $imagesPaths[] = $this->getImagePath($image, $basePath);
-        }
-
-        return $imagesPaths;
-    }
-
-    private function getImagePath(?string $imagePath, ?string $basePath): ?string
-    {
-        // add the base path only to images that are not absolute URLs (http or https) or protocol-relative URLs (//)
-        if (null === $imagePath || 0 !== preg_match('/^(http[s]?|\/\/)/i', $imagePath)) {
-            return $imagePath;
-        }
-
-        // remove project path from filepath
-        $imagePath = str_replace($this->projectDir . \DIRECTORY_SEPARATOR . 'public' . \DIRECTORY_SEPARATOR, '', $imagePath);
-
-        return isset($basePath)
-            ? rtrim($basePath, '/') . '/' . ltrim($imagePath, '/')
-            : '/' . ltrim($imagePath, '/');
-    }
-}
diff --git a/tests/PhpUnit/Field/Configurator/FileConfiguratorTest.php b/tests/PhpUnit/Field/Configurator/FileConfiguratorTest.php
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/PhpUnit/Subscriber/TemplateRegisterSubscriberTest.php b/tests/PhpUnit/Subscriber/TemplateRegisterSubscriberTest.php
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..469dcce
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,11 @@
+<?php
+
+use Symfony\Component\Dotenv\Dotenv;
+
+require dirname(__DIR__).'/vendor/autoload.php';
+
+if (file_exists(dirname(__DIR__).'/config/bootstrap.php')) {
+    require dirname(__DIR__).'/config/bootstrap.php';
+} elseif (method_exists(Dotenv::class, 'bootEnv')) {
+    (new Dotenv())->bootEnv(dirname(__DIR__).'/.env');
+}