diff --git a/core/modules/menu_ui/src/Tests/MenuTest.php b/core/modules/menu_ui/src/Tests/MenuTest.php
index e104356..fef560e 100644
--- a/core/modules/menu_ui/src/Tests/MenuTest.php
+++ b/core/modules/menu_ui/src/Tests/MenuTest.php
@@ -240,13 +240,13 @@ function doMenuTests() {
     // Test the 'Add link' local action.
     $this->drupalGet('admin/structure/menu/manage/' . $menu_name);
     $this->clickLink(t('Add link'));
-    $link_title = $this->randomMachineName();
+    $link_title = $this->randomString();
     $this->drupalPostForm(NULL, array('url' => '<front>', 'title[0][value]' => $link_title), t('Save'));
     $this->assertUrl('admin/structure/menu/manage/' . $menu_name);
     // Test the 'Edit' operation.
     $this->clickLink(t('Edit'));
     $this->assertFieldByName('title[0][value]', $link_title);
-    $link_title = $this->randomMachineName();
+    $link_title = $this->randomString();
     $this->drupalPostForm(NULL, array('title[0][value]' => $link_title), t('Save'));
     $this->assertUrl('admin/structure/menu/manage/' . $menu_name);
     // Test the 'Delete' operation.