diff --git a/core/tests/Drupal/FunctionalJavascriptTests/Core/Form/FormGroupingElementsTest.php b/core/tests/Drupal/FunctionalJavascriptTests/Core/Form/FormGroupingElementsTest.php
new file mode 100644
index 0000000..b2c20e8
--- /dev/null
+++ b/core/tests/Drupal/FunctionalJavascriptTests/Core/Form/FormGroupingElementsTest.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Drupal\FunctionalJavascriptTests\Core\Form;
+
+use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
+
+/**
+ * Tests for form grouping elements.
+ *
+ * @group form
+ */
+class FormGroupingElementsTest extends JavascriptTestBase {
+
+  /**
+   * Required modules.
+   *
+   * @var array
+   */
+  public static $modules = ['form_test'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $account = $this->drupalCreateUser();
+    $this->drupalLogin($account);
+  }
+
+  /**
+   * Tests that a fragment link to a child of an inactive vertical tab works.
+   *
+   * Makes sure that a field, that is not visible due to the state of a grouping
+   * element, becomes visible when a fragment link to it is clicked or when the
+   * url fragment changes.
+   */
+  public function testVerticalTabChildFragmentLink() {
+    $session = $this->getSession();
+
+    // Visit the group vertical tabs testing page.
+    $this->drupalGet('form-test/group-vertical-tabs');
+
+    $page = $session->getPage();
+
+    $element_1_selector = '#edit-element';
+    $element_1 = $page->find('css', $element_1_selector);
+
+    // Assert that the element in the first vertical tab is visible.
+    $this->assertTrue($element_1->isVisible(), 'Element 1 is visible.');
+
+    $element_2_selector = '#edit-element-2';
+    $element_2 = $page->find('css', $element_2_selector);
+
+    // Click on a fragment link pointing to an invisible field inside an
+    // inactive vertical.
+    $session->executeScript("jQuery('<a href=\"$element_2_selector\"></a>').insertAfter('h1')[0].click()");
+
+    // Assert that the element in the second vertical tab is visible.
+    $this->assertTrue($element_2->isVisible(), 'Element 2 is visible.');
+  }
+
+}