Created PreviewGenerator module

module/PreviewGenerator/test/Image/ImageBuilderFactoryTest.php

@@ -0,0 +1,27 @@
+<?php
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\PreviewGenerator\Image;
+
+use PHPUnit\Framework\TestCase;
+use Shlinkio\Shlink\PreviewGenerator\Image\ImageBuilder;
+use Shlinkio\Shlink\PreviewGenerator\Image\ImageBuilderFactory;
+use Zend\ServiceManager\ServiceManager;
+
+class ImageBuilderFactoryTest extends TestCase
+{
+    /** @var ImageBuilderFactory */
+    private $factory;
+
+    public function setUp(): void
+    {
+        $this->factory = new ImageBuilderFactory();
+    }
+
+    /** @test */
+    public function serviceIsCreated()
+    {
+        $instance = $this->factory->__invoke(new ServiceManager(), '');
+        $this->assertInstanceOf(ImageBuilder::class, $instance);
+    }
+}