diff --git a/web/modules/custom/blog/src/Action/ConvertPostToTweet.php b/web/modules/custom/blog/src/Action/ConvertPostToTweet.php
new file mode 100644
index 0000000..1f6ddc5
--- /dev/null
+++ b/web/modules/custom/blog/src/Action/ConvertPostToTweet.php
@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opdavies_blog\Action;
+
+use Drupal\opdavies_blog\Entity\Node\Post;
+
+final class ConvertPostToTweet {
+
+}
diff --git a/web/modules/custom/blog/tests/src/Kernel/Entity/Node/PostTest.php b/web/modules/custom/blog/tests/src/Kernel/Entity/Node/PostTest.php
index f108eed..dea8dfc 100644
--- a/web/modules/custom/blog/tests/src/Kernel/Entity/Node/PostTest.php
+++ b/web/modules/custom/blog/tests/src/Kernel/Entity/Node/PostTest.php
@@ -5,6 +5,7 @@
 namespace Drupal\Tests\opdavies_blog\Kernel\Entity\Node;
 
 use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
+use Drupal\opdavies_blog\Action\ConvertPostToTweet;
 use Drupal\opdavies_blog\Entity\Node\Post;
 use Drupal\opdavies_blog_test\Factory\PostFactory;
 
@@ -26,6 +27,8 @@ final class PostTest extends EntityKernelTestBase {
 
   private PostFactory $postFactory;
 
+  private ConvertPostToTweet $convertPostToTweet;
+
   /** @test */
   public function it_can_determine_if_a_post_contains_a_tweet(): void {
     $post = $this->postFactory->create();
@@ -83,6 +86,7 @@ final class PostTest extends EntityKernelTestBase {
     parent::setUp();
 
     $this->postFactory = $this->container->get(PostFactory::class);
+    $this->convertPostToTweet = $this->container->get(ConvertPostToTweet::class);
 
     $this->installEntitySchema('taxonomy_term');