diff --git a/test/DataProvider/Command/NormalizeCommandProvider.php b/test/DataProvider/Command/NormalizeCommandProvider.php
index 22b81016..f003d3f7 100644
--- a/test/DataProvider/Command/NormalizeCommandProvider.php
+++ b/test/DataProvider/Command/NormalizeCommandProvider.php
@@ -15,11 +15,10 @@
 
 use Ergebnis\Composer\Normalize\Test;
 use Ergebnis\Json\Normalizer\Format;
-use Ergebnis\Test\Util;
 
 final class NormalizeCommandProvider
 {
-    use Util\Helper;
+    use Test\Util\Helper;
 
     /**
      * @return \Generator<string, array{0: Test\Util\CommandInvocation}>
diff --git a/test/Integration/Command/NormalizeCommand/AbstractTestCase.php b/test/Integration/Command/NormalizeCommand/AbstractTestCase.php
index 80f8dcef..d9dddae0 100644
--- a/test/Integration/Command/NormalizeCommand/AbstractTestCase.php
+++ b/test/Integration/Command/NormalizeCommand/AbstractTestCase.php
@@ -17,7 +17,6 @@
 use Ergebnis\Composer\Normalize\Command\NormalizeCommand;
 use Ergebnis\Composer\Normalize\NormalizePlugin;
 use Ergebnis\Composer\Normalize\Test;
-use Ergebnis\Test\Util;
 use PHPUnit\Framework;
 use Symfony\Component\Console;
 use Symfony\Component\Filesystem;
@@ -29,7 +28,7 @@
  */
 abstract class AbstractTestCase extends Framework\TestCase
 {
-    use Util\Helper;
+    use Test\Util\Helper;
 
     /**
      * @var string
diff --git a/test/Util/Helper.php b/test/Util/Helper.php
new file mode 100644
index 00000000..7b418951
--- /dev/null
+++ b/test/Util/Helper.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2018-2021 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE.md file that was distributed with this source code.
+ *
+ * @see https://github.com/ergebnis/composer-normalize
+ */
+
+namespace Ergebnis\Composer\Normalize\Test\Util;
+
+use Faker\Factory;
+use Faker\Generator;
+
+trait Helper
+{
+    final protected static function faker(string $locale = 'en_US'): Generator
+    {
+        /**
+         * @var array<string, Generator>
+         */
+        static $fakers = [];
+
+        if (!\array_key_exists($locale, $fakers)) {
+            $faker = Factory::create($locale);
+
+            $faker->seed(9001);
+
+            $fakers[$locale] = $faker;
+        }
+
+        return $fakers[$locale];
+    }
+}