diff --git a/tests/src/FunctionalJavascript/AjaxContentTest.php b/tests/src/FunctionalJavascript/AjaxContentTest.php
new file mode 100644
index 0000000..a9a5e61
--- /dev/null
+++ b/tests/src/FunctionalJavascript/AjaxContentTest.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace Drupal\bluecadet_ajax_content\FunctionalJavascript;
+
+use Drupal\Core\Url;
+use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
+use Drupal\system\Entity\Action;
+
+class AjaxContentTest extends WebDriverTestBase {
+    /**
+   * {@inheritdoc}
+   */
+  protected static $modules = ['bluecadet_ajax_content', 'bluecadet_ajax_content_example'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+    // $user = $this->drupalCreateUser(['administer actions']);
+    // $this->drupalLogin($user);
+  }
+
+  /**
+   * Tests action plugins with AJAX save their configuration.
+   */
+  public function testActionConfigurationWithAjax() {
+    $url = Url::fromRoute('bluecadet_ajax_content_example.simple_example_immediate');
+    $this->drupalGet($url);
+    $this->assertSession()->assertWaitOnAjaxRequest();
+    $page = $this->getSession()->getPage();
+
+    $this->assertSession()->pageTextContains('Ajaxed Paragraph 1.');
+    $this->assertSession()->pageTextContains('Ajaxed Paragraph 2.');
+    $this->assertSession()->pageTextContains('Ajaxed Paragraph 3.');
+
+    // $id = 'test_plugin';
+    // $this->assertSession()->waitForElementVisible('named', ['button', 'Edit'])->press();
+    // $this->assertSession()->waitForElementVisible('css', '[name="id"]')->setValue($id);
+
+    // $page->find('css', '[name="having_a_party"]')
+    //   ->check();
+    // $this->assertSession()->waitForElementVisible('css', '[name="party_time"]');
+
+    // $party_time = 'Evening';
+    // $page->find('css', '[name="party_time"]')
+    //   ->setValue($party_time);
+
+    // $page->find('css', '[value="Save"]')
+    //   ->click();
+
+    // $url = Url::fromRoute('entity.action.collection');
+    // $this->assertSession()->pageTextContains('The action has been successfully saved.');
+    // $this->assertSession()->addressEquals($url);
+
+    // // Check storage.
+    // $instance = Action::load($id);
+    // $configuration = $instance->getPlugin()->getConfiguration();
+    // $this->assertEquals(['party_time' => $party_time], $configuration);
+
+    // // Configuration should be shown in edit form.
+    // $this->drupalGet($instance->toUrl('edit-form'));
+    // $this->assertSession()->checkboxChecked('having_a_party');
+    // $this->assertSession()->fieldValueEquals('party_time', $party_time);
+  }
+}