diff --git a/web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php b/web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php
new file mode 100644
index 0000000..d68bf1e
--- /dev/null
+++ b/web/modules/custom/my_module/tests/src/Kernel/ArticleRepositoryTest.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Drupal\Tests\my_module\Kernel;
+
+use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
+
+class ArticleRepositoryTest extends EntityKernelTestBase {
+
+  /** @test */
+  public function nodes_that_are_not_articles_are_not_returned() {
+    $repository = $this->container->get(ArticleRepository::class);
+    $articles = $repository->getAll();
+
+    $this->assertCount(3, $articles);
+  }
+
+}
+