diff --git a/tests/bundle/Templating/Twig/EmbeddedItemEditFormExtensionTest.php b/tests/bundle/Templating/Twig/EmbeddedItemEditFormExtensionTest.php
new file mode 100644
index 0000000000..7727e7ade4
--- /dev/null
+++ b/tests/bundle/Templating/Twig/EmbeddedItemEditFormExtensionTest.php
@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+declare(strict_types=1);
+
+namespace Ibexa\Tests\Bundle\AdminUi\Templating\Twig;
+
+use Ibexa\AdminUi\Form\Data\Content\Draft\ContentEditData;
+use Ibexa\AdminUi\Form\Factory\FormFactory;
+use Ibexa\Bundle\AdminUi\Templating\Twig\EmbeddedItemEditFormExtension;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\Form\FormView;
+use Symfony\Component\Routing\RouterInterface;
+use Twig\Test\IntegrationTestCase;
+
+/**
+ * @covers \Ibexa\Bundle\AdminUi\Templating\Twig\EmbeddedItemEditFormExtension
+ */
+final class EmbeddedItemEditFormExtensionTest extends IntegrationTestCase
+{
+    private const FORM_ACTION = '/admin/content/edit';
+
+    protected function getExtensions(): array
+    {
+        return [
+            new EmbeddedItemEditFormExtension(
+                $this->createFormFactory(),
+                $this->createRouter()
+            ),
+        ];
+    }
+
+    /**
+     * @dataProvider getLegacyTests
+     * @group legacy
+     */
+    public function testLegacyIntegration(
+        $file,
+        $message,
+        $condition,
+        $templates,
+        $exception,
+        $outputs,
+        $deprecation = ''
+    ): void {
+        // disable Twig legacy integration test to avoid producing risky warning
+        self::markTestSkipped('This package does not contain Twig legacy integration test cases');
+    }
+
+    protected function getFixturesDir(): string
+    {
+        return __DIR__ . '/_fixtures/render_embedded_item_edit_form/';
+    }
+
+    private function createEditForm(): FormInterface
+    {
+        $editForm = $this->createMock(FormInterface::class);
+        $editForm
+            ->expects(self::once())
+            ->method('createView')
+            ->willReturn(
+                $this->createMock(FormView::class)
+            );
+
+        return $editForm;
+    }
+
+    private function createFormFactory(): FormFactory
+    {
+        $formFactory = $this->createMock(FormFactory::class);
+        $formFactory
+            ->expects(self::atLeastOnce())
+            ->method('contentEdit')
+            ->with(
+                new ContentEditData(),
+                'embedded_item_edit',
+                [
+                    'action' => self::FORM_ACTION,
+                ]
+            )
+            ->willReturn($this->createEditForm());
+
+        return $formFactory;
+    }
+
+    private function createRouter(): RouterInterface
+    {
+        $router = $this->createMock(RouterInterface::class);
+        $router
+            ->expects(self::once())
+            ->method('generate')
+            ->with('ibexa.content.edit')
+            ->willReturn(self::FORM_ACTION);
+
+        return $router;
+    }
+}
diff --git a/tests/bundle/Templating/Twig/_fixtures/render_embedded_item_edit_form/ibexa_render_embedded_item_edit_form.test b/tests/bundle/Templating/Twig/_fixtures/render_embedded_item_edit_form/ibexa_render_embedded_item_edit_form.test
new file mode 100644
index 0000000000..d6679856e7
--- /dev/null
+++ b/tests/bundle/Templating/Twig/_fixtures/render_embedded_item_edit_form/ibexa_render_embedded_item_edit_form.test
@@ -0,0 +1,9 @@
+--TEST--
+"ibexa_render_embedded_item_edit_form" function
+--TEMPLATE--
+{% set form = ibexa_render_embedded_item_edit_form() %}
+{% if form is defined %} YES {% else %} NO {% endif %}
+--DATA--
+return [];
+--EXPECT--
+YES