only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/user/src/Tests/Views/UserChangedTest.php
@@ -0,0 +1,55 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\user\Tests\Views\UserChangedTest.
+ */
+
+namespace Drupal\user\Tests\Views;
+
+use Drupal\views\Tests\ViewTestBase;
+use Drupal\views\Tests\ViewTestData;
+
+/**
+ * Tests the changed field.
+ *
+ * @group user
+ */
+class UserChangedTest extends ViewTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('views_ui', 'user_test_views');
+
+  /**
+   * Views used by this test.
+   *
+   * @var array
+   */
+  public static $testViews = array('test_user_changed');
+
+  protected function setUp() {
+    parent::setUp();
+
+    ViewTestData::createTestViews(get_class($this), array('user_test_views'));
+
+    $this->enableViewsTestModule();
+  }
+
+  /**
+   * Tests changed field.
+   */
+  public function testChangedField() {
+    $path = 'test_user_changed';
+
+    $options = array();
+
+    $this->drupalGet($path, $options);
+
+    $this->assertText(t('Updated date') . ': ' . date('Y-m-d', REQUEST_TIME));
+  }
+
+}
only in patch2:
unchanged:
--- /dev/null
+++ b/core/modules/user/tests/modules/user_test_views/test_views/views.view.test_user_changed.yml
@@ -0,0 +1,46 @@
+base_table: users
+core: '8'
+description: ''
+status: '1'
+display:
+  default:
+    display_options:
+      access:
+        type: none
+      cache:
+        type: none
+      exposed_form:
+        type: basic
+      pager:
+        type: full
+      row:
+        type: fields
+      style:
+        type: default
+      fields:
+        name:
+          id: uid
+          table: users
+          field: uid
+          provider: user
+        changed:
+          id: changed
+          table: users
+          field: changed
+          provider: user
+          date_format: html_date
+      filters: { }
+    display_plugin: default
+    display_title: Master
+    id: default
+    position: 0
+  page_1:
+    display_options:
+      path: test_user_changed
+    display_plugin: page
+    display_title: Page
+    id: page_1
+    position: 0
+label: ''
+id: test_user_changed
+tag: ''