diff --git a/core/tests/Drupal/FunctionalJavascriptTests/Core/Entity/EntityListBuilderTest.php b/core/tests/Drupal/FunctionalJavascriptTests/Core/Entity/EntityListBuilderTest.php
new file mode 100644
index 0000000..a3a52e4
--- /dev/null
+++ b/core/tests/Drupal/FunctionalJavascriptTests/Core/Entity/EntityListBuilderTest.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace Drupal\FunctionalJavascriptTests\Core\Entity;
+
+use Drupal\Core\Url;
+use Drupal\entity_test\Entity\EntityTest;
+use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
+
+/**
+ * AJAX modal tests for entity list builder.
+ *
+ * @group entity
+ */
+class EntityListBuilderTest extends JavascriptTestBase {
+
+  /**
+   * A test user.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $webUser;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['entity_test'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+
+    $this->webUser = $this->drupalCreateUser(['administer entity_test content']);
+    $this->drupalLogin($this->webUser);
+  }
+
+  /**
+   * Test that delete confirm forms use a modal dialog.
+   */
+  public function testDeleteConfirmForm() {
+    /** @var \Drupal\entity_test\Entity\EntityTest[] $entities */
+    $entities = [];
+    foreach (range(1, 10) as $i) {
+      $entities[$i] = EntityTest::create(['name' => 'Test entity ' . $i]);
+      $entities[$i]->save();
+    }
+
+    /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $entity_storage */
+    $entity_storage = $this->container->get('entity_type.manager')->getStorage('entity_test');
+
+    $this->assertTrue($entity_storage->load($entities[3]->id()));
+    $this->drupalGet(Url::fromRoute('entity.entity_test.collection'));
+
+    // Expand the operations for the 3rd entity.
+    $this->click('table tr:contains("Test entity 3") button .dropbutton-arrow');
+    $this->click('table tr:contains("Test entity 3") .delete a');
+    $this->assertSession()->assertWaitOnAjaxRequest();
+    // Should still be on the listing page.
+    $this->assertSession()->addressEquals(Url::fromRoute('entity.entity_test.collection')->toString());
+    // Delete the 3rd entity.
+    $this->click('.ui-dialog button:contains("' . t('Delete') . '")');
+    $this->assertFalse($entity_storage->loadUnchanged($entities[3]->id()));
+    // @todo Something is not quite right here. Clicking the button should
+    // result in a new page load, presumably with a success message?
+  }
+
+}