diff --git a/core/modules/menu_ui/src/Tests/MenuNodeTest.php b/core/modules/menu_ui/src/Tests/MenuNodeTest.php
deleted file mode 100644
index 3f1bba0..0000000
--- a/core/modules/menu_ui/src/Tests/MenuNodeTest.php
+++ /dev/null
@@ -1,341 +0,0 @@
-<?php
-
-namespace Drupal\menu_ui\Tests;
-
-use Drupal\simpletest\WebTestBase;
-use Drupal\language\Entity\ConfigurableLanguage;
-use Drupal\menu_link_content\Entity\MenuLinkContent;
-use Drupal\node\Entity\Node;
-
-/**
- * Add, edit, and delete a node with menu link.
- *
- * @group menu_ui
- */
-class MenuNodeTest extends WebTestBase {
-
-  /**
-   * An editor user.
-   *
-   * @var \Drupal\user\UserInterface
-   */
-  protected $editor;
-
-  /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = ['menu_ui', 'test_page_test', 'node', 'block', 'locale', 'language', 'content_translation'];
-
-  protected function setUp() {
-    parent::setUp();
-
-    $this->drupalPlaceBlock('system_menu_block:main');
-    $this->drupalPlaceBlock('page_title_block');
-
-    $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
-
-    $this->editor = $this->drupalCreateUser([
-      'access administration pages',
-      'administer content types',
-      'administer menu',
-      'create page content',
-      'edit any page content',
-      'delete any page content',
-      'create content translations',
-      'update content translations',
-      'delete content translations',
-      'translate any entity',
-    ]);
-    $this->drupalLogin($this->editor);
-  }
-
-  /**
-   * Test creating, editing, deleting menu links via node form widget.
-   */
-  public function testMenuNodeFormWidget() {
-    // Verify that cacheability metadata is bubbled from the menu link tree
-    // access checking that is performed when determining the "default parent
-    // item" options in menu_ui_form_node_type_form_alter(). The "log out" link
-    // adds the "user.roles:authenticated" cache context.
-    $this->drupalGet('admin/structure/types/manage/page');
-    $this->assertCacheContext('user.roles:authenticated');
-
-    // Verify that the menu link title has the correct maxlength.
-    $max_length = \Drupal::entityManager()->getBaseFieldDefinitions('menu_link_content')['title']->getSetting('max_length');
-    $this->drupalGet('node/add/page');
-    $this->assertPattern('/<input .* id="edit-menu-title" .* maxlength="' . $max_length . '" .* \/>/', 'Menu link title field has correct maxlength in node add form.');
-
-    // Disable the default main menu, so that no menus are enabled.
-    $edit = [
-      'menu_options[main]' => FALSE,
-    ];
-    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
-
-    // Verify that no menu settings are displayed and nodes can be created.
-    $this->drupalGet('node/add/page');
-    $this->assertText(t('Create Basic page'));
-    $this->assertNoText(t('Menu settings'));
-    $node_title = $this->randomMachineName();
-    $edit = [
-      'title[0][value]' => $node_title,
-      'body[0][value]' => $this->randomString(),
-    ];
-    $this->drupalPostForm(NULL, $edit, t('Save'));
-    $node = $this->drupalGetNodeByTitle($node_title);
-    $this->assertEqual($node->getTitle(), $edit['title[0][value]']);
-
-    // Test that we cannot set a menu item from a menu that is not set as
-    // available.
-    $edit = [
-      'menu_options[tools]' => 1,
-      'menu_parent' => 'main:',
-    ];
-    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
-    $this->assertText(t('The selected menu item is not under one of the selected menus.'));
-    $this->assertNoRaw(t('The content type %name has been updated.', ['%name' => 'Basic page']));
-
-    // Enable Tools menu as available menu.
-    $edit = [
-      'menu_options[main]' => 1,
-      'menu_options[tools]' => 1,
-      'menu_parent' => 'main:',
-    ];
-    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
-    $this->assertRaw(t('The content type %name has been updated.', ['%name' => 'Basic page']));
-
-    // Test that we can preview a node that will create a menu item.
-    $edit = [
-      'title[0][value]' => $node_title,
-      'menu[enabled]' => 1,
-      'menu[title]' => 'Test preview',
-    ];
-    $this->drupalPostForm('node/add/page', $edit, t('Preview'));
-
-    // Create a node.
-    $node_title = $this->randomMachineName();
-    $edit = [
-      'title[0][value]' => $node_title,
-      'body[0][value]' => $this->randomString(),
-    ];
-    $this->drupalPostForm('node/add/page', $edit, t('Save'));
-    $node = $this->drupalGetNodeByTitle($node_title);
-    // Assert that there is no link for the node.
-    $this->drupalGet('test-page');
-    $this->assertNoLink($node_title);
-
-    // Edit the node, enable the menu link setting, but skip the link title.
-    $edit = [
-      'menu[enabled]' => 1,
-    ];
-    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
-    // Assert that there is no link for the node.
-    $this->drupalGet('test-page');
-    $this->assertNoLink($node_title);
-
-    // Use not only the save button, but also the two special buttons:
-    // 'Save and publish' as well as 'Save and keep published'.
-    // These buttons just appear for 'administer nodes' users.
-    $admin_user = $this->drupalCreateUser([
-      'access administration pages',
-      'administer content types',
-      'administer nodes',
-      'administer menu',
-      'create page content',
-      'edit any page content',
-    ]);
-    $this->drupalLogin($admin_user);
-    foreach (['Save and unpublish' => FALSE, 'Save and keep unpublished' => FALSE, 'Save and publish' => TRUE, 'Save and keep published' => TRUE] as $submit => $visible) {
-      $edit = [
-        'menu[enabled]' => 1,
-        'menu[title]' => $node_title,
-      ];
-      $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, $submit);
-      // Assert that the link exists.
-      $this->drupalGet('test-page');
-      if ($visible) {
-        $this->assertLink($node_title, 0, 'Found a menu link after submitted with ' . $submit);
-      }
-      else {
-        $this->assertNoLink($node_title, 'Found no menu link after submitted with ' . $submit);
-      }
-    }
-
-    // Log back in as normal user.
-    $this->drupalLogin($this->editor);
-    // Edit the node and create a menu link.
-    $edit = [
-      'menu[enabled]' => 1,
-      'menu[title]' => $node_title,
-      'menu[weight]' => 17,
-    ];
-    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
-    // Assert that the link exists.
-    $this->drupalGet('test-page');
-    $this->assertLink($node_title);
-
-    $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertFieldById('edit-menu-weight', 17, 'Menu weight correct in edit form');
-    $this->assertPattern('/<input .* id="edit-menu-title" .* maxlength="' . $max_length . '" .* \/>/', 'Menu link title field has correct maxlength in node edit form.');
-
-    // Disable the menu link, then edit the node--the link should stay disabled.
-    $link_id = menu_ui_get_menu_link_defaults($node)['entity_id'];
-    /** @var \Drupal\menu_link_content\Entity\MenuLinkContent $link */
-    $link = MenuLinkContent::load($link_id);
-    $link->set('enabled', FALSE);
-    $link->save();
-    $this->drupalPostForm($node->urlInfo('edit-form'), $edit, t('Save'));
-    $link = MenuLinkContent::load($link_id);
-    $this->assertFalse($link->isEnabled(), 'Saving a node with a disabled menu link keeps the menu link disabled.');
-
-    // Edit the node and remove the menu link.
-    $edit = [
-      'menu[enabled]' => FALSE,
-    ];
-    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
-    // Assert that there is no link for the node.
-    $this->drupalGet('test-page');
-    $this->assertNoLink($node_title);
-
-    // Add a menu link to the Administration menu.
-    $item = MenuLinkContent::create([
-      'link' => [['uri' => 'entity:node/' . $node->id()]],
-      'title' => $this->randomMachineName(16),
-      'menu_name' => 'admin',
-    ]);
-    $item->save();
-
-    // Assert that disabled Administration menu is not shown on the
-    // node/$nid/edit page.
-    $this->drupalGet('node/' . $node->id() . '/edit');
-    $this->assertText('Provide a menu link', 'Link in not allowed menu not shown in node edit form');
-    // Assert that the link is still in the Administration menu after save.
-    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
-    $link = MenuLinkContent::load($item->id());
-    $this->assertTrue($link, 'Link in not allowed menu still exists after saving node');
-
-    // Move the menu link back to the Tools menu.
-    $item->menu_name->value = 'tools';
-    $item->save();
-    // Create a second node.
-    $child_node = $this->drupalCreateNode(['type' => 'article']);
-    // Assign a menu link to the second node, being a child of the first one.
-    $child_item = MenuLinkContent::create([
-      'link' => [['uri' => 'entity:node/' . $child_node->id()]],
-      'title' => $this->randomMachineName(16),
-      'parent' => $item->getPluginId(),
-      'menu_name' => $item->getMenuName(),
-    ]);
-    $child_item->save();
-    // Edit the first node.
-    $this->drupalGet('node/' . $node->id() . '/edit');
-    // Assert that it is not possible to set the parent of the first node to itself or the second node.
-    $this->assertNoOption('edit-menu-menu-parent', 'tools:' . $item->getPluginId());
-    $this->assertNoOption('edit-menu-menu-parent', 'tools:' . $child_item->getPluginId());
-    // Assert that unallowed Administration menu is not available in options.
-    $this->assertNoOption('edit-menu-menu-parent', 'admin:');
-  }
-
-  /**
-   * Testing correct loading and saving of menu links via node form widget in a multilingual environment.
-   */
-  public function testMultilingualMenuNodeFormWidget() {
-    // Setup languages.
-    $langcodes = ['de'];
-    foreach ($langcodes as $langcode) {
-      ConfigurableLanguage::createFromLangcode($langcode)->save();
-    }
-    array_unshift($langcodes, \Drupal::languageManager()->getDefaultLanguage()->getId());
-
-    $config = \Drupal::service('config.factory')->getEditable('language.negotiation');
-    // Ensure path prefix is used to determine the language.
-    $config->set('url.source', 'path_prefix');
-    // Ensure that there's a path prefix set for english as well.
-    $config->set('url.prefixes.' . $langcodes[0], $langcodes[0]);
-    $config->save();
-
-    $this->rebuildContainer();
-
-    $languages = [];
-    foreach ($langcodes as $langcode) {
-      $languages[$langcode] = ConfigurableLanguage::load($langcode);
-    }
-
-    // Use a UI form submission to make the node type and menu link content entity translatable.
-    $this->drupalLogout();
-    $this->drupalLogin($this->rootUser);
-    $edit = [
-      'entity_types[node]' => TRUE,
-      'entity_types[menu_link_content]' => TRUE,
-      'settings[node][page][settings][language][language_alterable]' => TRUE,
-      'settings[node][page][translatable]' => TRUE,
-      'settings[node][page][fields][title]' => TRUE,
-      'settings[menu_link_content][menu_link_content][translatable]' => TRUE,
-    ];
-    $this->drupalPostForm('admin/config/regional/content-language', $edit, t('Save configuration'));
-
-    // Log out and back in as normal user.
-    $this->drupalLogout();
-    $this->drupalLogin($this->editor);
-
-    // Create a node.
-    $node_title = $this->randomMachineName(8);
-    $node = Node::create([
-      'type' => 'page',
-      'title' => $node_title,
-      'body' => $this->randomMachineName(16),
-      'uid' => $this->editor->id(),
-      'status' => 1,
-      'langcode' => $langcodes[0],
-    ]);
-    $node->save();
-
-    // Create translation.
-    $translated_node_title = $this->randomMachineName(8);
-    $node->addTranslation($langcodes[1], ['title' => $translated_node_title, 'body' => $this->randomMachineName(16), 'status' => 1]);
-    $node->save();
-
-    // Edit the node and create a menu link.
-    $edit = [
-      'menu[enabled]' => 1,
-      'menu[title]' => $node_title,
-      'menu[weight]' => 17,
-    ];
-    $options = ['language' => $languages[$langcodes[0]]];
-    $url = $node->toUrl('edit-form', $options);
-    $this->drupalPostForm($url, $edit, t('Save') . ' ' . t('(this translation)'));
-
-    // Edit the node in a different language and translate the menu link.
-    $edit = [
-      'menu[enabled]' => 1,
-      'menu[title]' => $translated_node_title,
-      'menu[weight]' => 17,
-    ];
-    $options = ['language' => $languages[$langcodes[1]]];
-    $url = $node->toUrl('edit-form', $options);
-    $this->drupalPostForm($url, $edit, t('Save') . ' ' . t('(this translation)'));
-
-    // Assert that the original link exists in the frontend.
-    $this->drupalGet('node/' . $node->id(), ['language' => $languages[$langcodes[0]]]);
-    $this->assertLink($node_title);
-
-    // Assert that the translated link exists in the frontend.
-    $this->drupalGet('node/' . $node->id(), ['language' => $languages[$langcodes[1]]]);
-    $this->assertLink($translated_node_title);
-
-    // Revisit the edit page in original language, check the loaded menu item title and save.
-    $options = ['language' => $languages[$langcodes[0]]];
-    $url = $node->toUrl('edit-form', $options);
-    $this->drupalGet($url);
-    $this->assertFieldById('edit-menu-title', $node_title);
-    $this->drupalPostForm(NULL, [], t('Save') . ' ' . t('(this translation)'));
-
-    // Revisit the edit page of the translation and check the loaded menu item title.
-    $options = ['language' => $languages[$langcodes[1]]];
-    $url = $node->toUrl('edit-form', $options);
-    $this->drupalGet($url);
-    $this->assertFieldById('edit-menu-title', $translated_node_title);
-  }
-
-}
diff --git a/core/modules/menu_ui/tests/src/Functional/MenuNodeTest.php b/core/modules/menu_ui/tests/src/Functional/MenuNodeTest.php
new file mode 100644
index 0000000..6c9a012
--- /dev/null
+++ b/core/modules/menu_ui/tests/src/Functional/MenuNodeTest.php
@@ -0,0 +1,338 @@
+<?php
+
+namespace Drupal\Tests\menu_ui\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Add, edit, and delete a node with menu link.
+ *
+ * @group menu_ui
+ */
+class MenuNodeTest extends BrowserTestBase {
+
+  /**
+   * An editor user.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $editor;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['menu_ui', 'test_page_test', 'node', 'block', 'locale', 'language', 'content_translation'];
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->drupalPlaceBlock('system_menu_block:main');
+    $this->drupalPlaceBlock('page_title_block');
+
+    $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
+
+    $this->editor = $this->drupalCreateUser([
+      'access administration pages',
+      'administer content types',
+      'administer menu',
+      'create page content',
+      'edit any page content',
+      'delete any page content',
+      'create content translations',
+      'update content translations',
+      'delete content translations',
+      'translate any entity',
+    ]);
+    $this->drupalLogin($this->editor);
+  }
+
+  /**
+   * Test creating, editing, deleting menu links via node form widget.
+   */
+  public function testMenuNodeFormWidget() {
+    // Verify that cacheability metadata is bubbled from the menu link tree
+    // access checking that is performed when determining the "default parent
+    // item" options in menu_ui_form_node_type_form_alter(). The "log out" link
+    // adds the "user.roles:authenticated" cache context.
+    $this->drupalGet('admin/structure/types/manage/page');
+    $this->assertCacheContext('user.roles:authenticated');
+
+    // Verify that the menu link title has the correct maxlength.
+    $max_length = \Drupal::entityManager()->getBaseFieldDefinitions('menu_link_content')['title']->getSetting('max_length');
+    $this->drupalGet('node/add/page');
+    $this->assertPattern('/<input .* id="edit-menu-title" .* maxlength="' . $max_length . '" .* \/>/', 'Menu link title field has correct maxlength in node add form.');
+
+    // Disable the default main menu, so that no menus are enabled.
+    $edit = [
+      'menu_options[main]' => FALSE,
+    ];
+    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
+
+    // Verify that no menu settings are displayed and nodes can be created.
+    $this->drupalGet('node/add/page');
+    $this->assertText(t('Create Basic page'));
+    $this->assertNoText(t('Menu settings'));
+    $node_title = $this->randomMachineName();
+    $edit = [
+      'title[0][value]' => $node_title,
+      'body[0][value]' => $this->randomString(),
+    ];
+    $this->drupalPostForm(NULL, $edit, t('Save'));
+    $node = $this->drupalGetNodeByTitle($node_title);
+    $this->assertEqual($node->getTitle(), $edit['title[0][value]']);
+
+    // Test that we cannot set a menu item from a menu that is not set as
+    // available.
+    $edit = [
+      'menu_options[tools]' => 1,
+      'menu_parent' => 'main:',
+    ];
+    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
+    $this->assertText(t('The selected menu item is not under one of the selected menus.'));
+    $this->assertNoRaw(t('The content type %name has been updated.', ['%name' => 'Basic page']));
+
+    // Enable Tools menu as available menu.
+    $edit = [
+      'menu_options[main]' => 1,
+      'menu_options[tools]' => 1,
+      'menu_parent' => 'main:',
+    ];
+    $this->drupalPostForm('admin/structure/types/manage/page', $edit, t('Save content type'));
+    $this->assertRaw(t('The content type %name has been updated.', ['%name' => 'Basic page']));
+
+    // Test that we can preview a node that will create a menu item.
+    $edit = [
+      'title[0][value]' => $node_title,
+      'menu[enabled]' => 1,
+      'menu[title]' => 'Test preview',
+    ];
+    $this->drupalPostForm('node/add/page', $edit, t('Preview'));
+
+    // Create a node.
+    $node_title = $this->randomMachineName();
+    $edit = [
+      'title[0][value]' => $node_title,
+      'body[0][value]' => $this->randomString(),
+    ];
+    $this->drupalPostForm('node/add/page', $edit, t('Save'));
+    $node = $this->drupalGetNodeByTitle($node_title);
+    // Assert that there is no link for the node.
+    $this->drupalGet('test-page');
+    $this->assertNoLink($node_title);
+
+    // Edit the node, enable the menu link setting, but skip the link title.
+    $edit = [
+      'menu[enabled]' => 1,
+    ];
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+    // Assert that there is no link for the node.
+    $this->drupalGet('test-page');
+    $this->assertNoLink($node_title);
+
+    // Use not only the save button, but also the two special buttons:
+    // 'Save and publish' as well as 'Save and keep published'.
+    // These buttons just appear for 'administer nodes' users.
+    $admin_user = $this->drupalCreateUser([
+      'access administration pages',
+      'administer content types',
+      'administer nodes',
+      'administer menu',
+      'create page content',
+      'edit any page content',
+    ]);
+    $this->drupalLogin($admin_user);
+    foreach (['Save and unpublish' => FALSE, 'Save and keep unpublished' => FALSE, 'Save and publish' => TRUE, 'Save and keep published' => TRUE] as $submit => $visible) {
+      $edit = [
+        'menu[enabled]' => 1,
+        'menu[title]' => $node_title,
+      ];
+      $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, $submit);
+      // Assert that the link exists.
+      $this->drupalGet('test-page');
+      if ($visible) {
+        $this->assertLink($node_title, 0, 'Found a menu link after submitted with ' . $submit);
+      }
+      else {
+        $this->assertNoLink($node_title, 'Found no menu link after submitted with ' . $submit);
+      }
+    }
+
+    // Log back in as normal user.
+    $this->drupalLogin($this->editor);
+    // Edit the node and create a menu link.
+    $edit = [
+      'menu[enabled]' => 1,
+      'menu[title]' => $node_title,
+      'menu[weight]' => 17,
+    ];
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+    // Assert that the link exists.
+    $this->drupalGet('test-page');
+    $this->assertLink($node_title);
+
+    $this->drupalGet('node/' . $node->id() . '/edit');
+    $this->assertFieldById('edit-menu-weight', 17, 'Menu weight correct in edit form');
+    $this->assertPattern('/<input .* id="edit-menu-title" .* maxlength="' . $max_length . '" .* \/>/', 'Menu link title field has correct maxlength in node edit form.');
+
+    // Disable the menu link, then edit the node--the link should stay disabled.
+    $link_id = menu_ui_get_menu_link_defaults($node)['entity_id'];
+    /** @var \Drupal\menu_link_content\Entity\MenuLinkContent $link */
+    $link = MenuLinkContent::load($link_id);
+    $link->set('enabled', FALSE);
+    $link->save();
+    $this->drupalPostForm($node->urlInfo('edit-form'), $edit, t('Save'));
+    $link = MenuLinkContent::load($link_id);
+    $this->assertFalse($link->isEnabled(), 'Saving a node with a disabled menu link keeps the menu link disabled.');
+
+    // Edit the node and remove the menu link.
+    $edit = [
+      'menu[enabled]' => FALSE,
+    ];
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+    // Assert that there is no link for the node.
+    $this->drupalGet('test-page');
+    $this->assertNoLink($node_title);
+
+    // Add a menu link to the Administration menu.
+    $item = MenuLinkContent::create([
+      'link' => [['uri' => 'entity:node/' . $node->id()]],
+      'title' => $this->randomMachineName(16),
+      'menu_name' => 'admin',
+    ]);
+    $item->save();
+
+    // Assert that disabled Administration menu is not shown on the
+    // node/$nid/edit page.
+    $this->drupalGet('node/' . $node->id() . '/edit');
+    $this->assertText('Provide a menu link', 'Link in not allowed menu not shown in node edit form');
+    // Assert that the link is still in the Administration menu after save.
+    $this->drupalPostForm('node/' . $node->id() . '/edit', $edit, t('Save'));
+    $link = MenuLinkContent::load($item->id());
+    $this->assertTrue($link, 'Link in not allowed menu still exists after saving node');
+
+    // Move the menu link back to the Tools menu.
+    $item->menu_name->value = 'tools';
+    $item->save();
+    // Create a second node.
+    $child_node = $this->drupalCreateNode(['type' => 'article']);
+    // Assign a menu link to the second node, being a child of the first one.
+    $child_item = MenuLinkContent::create([
+      'link' => [['uri' => 'entity:node/' . $child_node->id()]],
+      'title' => $this->randomMachineName(16),
+      'parent' => $item->getPluginId(),
+      'menu_name' => $item->getMenuName(),
+    ]);
+    $child_item->save();
+    // Edit the first node.
+    $this->drupalGet('node/' . $node->id() . '/edit');
+    // Assert that it is not possible to set the parent of the first node to itself or the second node.
+    $this->assertNoOption('edit-menu-menu-parent', 'tools:' . $item->getPluginId());
+    $this->assertNoOption('edit-menu-menu-parent', 'tools:' . $child_item->getPluginId());
+    // Assert that unallowed Administration menu is not available in options.
+    $this->assertNoOption('edit-menu-menu-parent', 'admin:');
+  }
+
+  /**
+   * Testing correct loading and saving of menu links via node form widget in a multilingual environment.
+   */
+  public function testMultilingualMenuNodeFormWidget() {
+    // Setup languages.
+    $langcodes = ['de'];
+    foreach ($langcodes as $langcode) {
+      ConfigurableLanguage::createFromLangcode($langcode)->save();
+    }
+    array_unshift($langcodes, \Drupal::languageManager()->getDefaultLanguage()->getId());
+
+    $config = \Drupal::service('config.factory')->getEditable('language.negotiation');
+    // Ensure path prefix is used to determine the language.
+    $config->set('url.source', 'path_prefix');
+    // Ensure that there's a path prefix set for english as well.
+    $config->set('url.prefixes.' . $langcodes[0], $langcodes[0]);
+    $config->save();
+
+    $this->rebuildContainer();
+
+    $languages = [];
+    foreach ($langcodes as $langcode) {
+      $languages[$langcode] = ConfigurableLanguage::load($langcode);
+    }
+
+    // Use a UI form submission to make the node type and menu link content entity translatable.
+    $this->drupalLogout();
+    $this->drupalLogin($this->rootUser);
+    $edit = [
+      'entity_types[node]' => TRUE,
+      'entity_types[menu_link_content]' => TRUE,
+      'settings[node][page][settings][language][language_alterable]' => TRUE,
+      'settings[node][page][translatable]' => TRUE,
+      'settings[node][page][fields][title]' => TRUE,
+      'settings[menu_link_content][menu_link_content][translatable]' => TRUE,
+    ];
+    $this->drupalPostForm('admin/config/regional/content-language', $edit, t('Save configuration'));
+
+    // Log out and back in as normal user.
+    $this->drupalLogout();
+    $this->drupalLogin($this->editor);
+
+    // Create a node.
+    $node_title = $this->randomMachineName(8);
+    $node = Node::create([
+      'type' => 'page',
+      'title' => $node_title,
+      'body' => $this->randomMachineName(16),
+      'uid' => $this->editor->id(),
+      'status' => 1,
+      'langcode' => $langcodes[0],
+    ]);
+    $node->save();
+
+    // Create translation.
+    $translated_node_title = $this->randomMachineName(8);
+    $node->addTranslation($langcodes[1], ['title' => $translated_node_title, 'body' => $this->randomMachineName(16), 'status' => 1]);
+    $node->save();
+
+    // Edit the node and create a menu link.
+    $edit = [
+      'menu[enabled]' => 1,
+      'menu[title]' => $node_title,
+      'menu[weight]' => 17,
+    ];
+    $options = ['language' => $languages[$langcodes[0]]];
+    $url = $node->toUrl('edit-form', $options);
+    $this->drupalPostForm($url, $edit, t('Save') . ' ' . t('(this translation)'));
+
+    // Edit the node in a different language and translate the menu link.
+    $edit = [
+      'menu[enabled]' => 1,
+      'menu[title]' => $translated_node_title,
+      'menu[weight]' => 17,
+    ];
+    $options = ['language' => $languages[$langcodes[1]]];
+    $url = $node->toUrl('edit-form', $options);
+    $this->drupalPostForm($url, $edit, t('Save') . ' ' . t('(this translation)'));
+
+    // Assert that the original link exists in the frontend.
+    $this->drupalGet('node/' . $node->id(), ['language' => $languages[$langcodes[0]]]);
+    $this->assertLink($node_title);
+
+    // Assert that the translated link exists in the frontend.
+    $this->drupalGet('node/' . $node->id(), ['language' => $languages[$langcodes[1]]]);
+    $this->assertLink($translated_node_title);
+
+    // Revisit the edit page in original language, check the loaded menu item title and save.
+    $options = ['language' => $languages[$langcodes[0]]];
+    $url = $node->toUrl('edit-form', $options);
+    $this->drupalGet($url);
+    $this->assertFieldById('edit-menu-title', $node_title);
+    $this->drupalPostForm(NULL, [], t('Save') . ' ' . t('(this translation)'));
+
+    // Revisit the edit page of the translation and check the loaded menu item title.
+    $options = ['language' => $languages[$langcodes[1]]];
+    $url = $node->toUrl('edit-form', $options);
+    $this->drupalGet($url);
+    $this->assertFieldById('edit-menu-title', $translated_node_title);
+  }
+
+}