diff --git a/core/modules/system/lib/Drupal/system/Tests/Common/SimpleTestErrorCollectorTest.php b/core/modules/system/lib/Drupal/system/Tests/Common/SimpleTestErrorCollectorTest.php
index 16c62fc..d67056b 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Common/SimpleTestErrorCollectorTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Common/SimpleTestErrorCollectorTest.php
@@ -48,9 +48,9 @@ function testErrorCollect() {
     $this->assertEqual(count($this->collectedErrors), 3, 'Three errors were collected');
 
     if (count($this->collectedErrors) == 3) {
-      $this->assertError($this->collectedErrors[0], 'Notice', 'error_test_generate_warnings()', 'error_test.module', 'Undefined variable: bananas');
-      $this->assertError($this->collectedErrors[1], 'Warning', 'error_test_generate_warnings()', 'error_test.module', 'Division by zero');
-      $this->assertError($this->collectedErrors[2], 'User warning', 'error_test_generate_warnings()', 'error_test.module', 'Drupal is awesome');
+      $this->assertError($this->collectedErrors[0], 'Notice', 'Drupal\error_test\Controllers\ErrorTestController->generateWarnings()', 'error_test.module', 'Undefined variable: bananas');
+      $this->assertError($this->collectedErrors[1], 'Warning', 'Drupal\error_test\Controllers\ErrorTestController->generateWarnings()', 'error_test.module', 'Division by zero');
+      $this->assertError($this->collectedErrors[2], 'User warning', 'Drupal\error_test\Controllers\ErrorTestController->generateWarnings()', 'error_test.module', 'Drupal is awesome');
     }
     else {
       // Give back the errors to the log report.
diff --git a/core/modules/system/lib/Drupal/system/Tests/System/ErrorHandlerTest.php b/core/modules/system/lib/Drupal/system/Tests/System/ErrorHandlerTest.php
index 3ecb0e5..7b133dc 100644
--- a/core/modules/system/lib/Drupal/system/Tests/System/ErrorHandlerTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/System/ErrorHandlerTest.php
@@ -37,19 +37,19 @@ function testErrorHandler() {
     $error_notice = array(
       '%type' => 'Notice',
       '!message' => 'Undefined variable: bananas',
-      '%function' => 'error_test_generate_warnings()',
+      '%function' => 'Drupal\error_test\Controllers\ErrorTestController->generateWarnings()',
       '%file' => drupal_get_path('module', 'error_test') . '/error_test.module',
     );
     $error_warning = array(
       '%type' => 'Warning',
       '!message' => 'Division by zero',
-      '%function' => 'error_test_generate_warnings()',
+      '%function' => 'Drupal\error_test\Controllers\ErrorTestController->generateWarnings()',
       '%file' => drupal_get_path('module', 'error_test') . '/error_test.module',
     );
     $error_user_notice = array(
       '%type' => 'User warning',
       '!message' => 'Drupal is awesome',
-      '%function' => 'error_test_generate_warnings()',
+      '%function' => 'Drupal\error_test\Controllers\ErrorTestController->generateWarnings()',
       '%file' => drupal_get_path('module', 'error_test') . '/error_test.module',
     );
 
@@ -97,14 +97,14 @@ function testExceptionHandler() {
     $error_exception = array(
       '%type' => 'Exception',
       '!message' => 'Drupal is awesome',
-      '%function' => 'error_test_trigger_exception()',
+      '%function' => 'Drupal\error_test\Controllers\ErrorTestController->triggerException()',
       '%line' => 56,
       '%file' => drupal_get_path('module', 'error_test') . '/error_test.module',
     );
     $error_pdo_exception = array(
       '%type' => 'DatabaseExceptionWrapper',
       '!message' => 'SELECT * FROM bananas_are_awesome',
-      '%function' => 'error_test_trigger_pdo_exception()',
+      '%function' => 'Drupal\error_test\Controllers\ErrorTestController->triggerPDOException()',
       '%line' => 64,
       '%file' => drupal_get_path('module', 'error_test') . '/error_test.module',
     );
diff --git a/core/modules/system/tests/modules/error_test/error_test.module b/core/modules/system/tests/modules/error_test/error_test.module
index d062cb0..b3d9bbc 100644
--- a/core/modules/system/tests/modules/error_test/error_test.module
+++ b/core/modules/system/tests/modules/error_test/error_test.module
@@ -1,65 +1 @@
 <?php
-
-/**
- * Implements hook_menu().
- */
-function error_test_menu() {
-  $items['error-test/generate-warnings'] = array(
-    'title' => 'Generate warnings',
-    'page callback' => 'error_test_generate_warnings',
-    'access callback' => TRUE,
-    'type' => MENU_CALLBACK,
-  );
-  $items['error-test/generate-warnings-with-report'] = array(
-    'title' => 'Generate warnings with Simpletest reporting',
-    'page callback' => 'error_test_generate_warnings',
-    'page arguments' => array(TRUE),
-    'access callback' => TRUE,
-    'type' => MENU_CALLBACK,
-  );
-  $items['error-test/trigger-exception'] = array(
-    'title' => 'Trigger an exception',
-    'page callback' => 'error_test_trigger_exception',
-    'access callback' => TRUE,
-    'type' => MENU_CALLBACK,
-  );
-  $items['error-test/trigger-pdo-exception'] = array(
-    'title' => 'Trigger a PDO exception',
-    'page callback' => 'error_test_trigger_pdo_exception',
-    'access callback' => TRUE,
-    'type' => MENU_CALLBACK,
-  );
-
-  return $items;
-}
-
-/**
- * Menu callback; generate warnings to test the error handler.
- */
-function error_test_generate_warnings($collect_errors = FALSE) {
-  // Tell Drupal error reporter to send errors to Simpletest or not.
-  define('SIMPLETEST_COLLECT_ERRORS', $collect_errors);
-  // This will generate a notice.
-  $monkey_love = $bananas;
-  // This will generate a warning.
-  $awesomely_big = 1/0;
-  // This will generate a user error.
-  trigger_error("Drupal is awesome", E_USER_WARNING);
-  return "";
-}
-
-/**
- * Menu callback; trigger an exception to test the exception handler.
- */
-function error_test_trigger_exception() {
-  define('SIMPLETEST_COLLECT_ERRORS', FALSE);
-  throw new Exception("Drupal is awesome");
-}
-
-/**
- * Menu callback; trigger an exception to test the exception handler.
- */
-function error_test_trigger_pdo_exception() {
-  define('SIMPLETEST_COLLECT_ERRORS', FALSE);
-  db_query('SELECT * FROM bananas_are_awesome');
-}
diff --git a/core/modules/system/tests/modules/error_test/error_test.routing.yml b/core/modules/system/tests/modules/error_test/error_test.routing.yml
new file mode 100644
index 0000000..e47ba9d
--- /dev/null
+++ b/core/modules/system/tests/modules/error_test/error_test.routing.yml
@@ -0,0 +1,27 @@
+error_test_generate_warnings:
+  pattern: '/error-test/generate-warnings'
+  defaults:
+    _content: '\Drupal\error_test\Controllers\ErrorTestController::generateWarnings'
+  requirements:
+    _access: 'TRUE'
+
+error_test_generate_warnings_with_report:
+  pattern: '/error-test/generate-warnings-with-report'
+  defaults:
+    _content: '\Drupal\error_test\Controllers\ErrorTestController::generateWarnings'
+  requirements:
+    _access: 'TRUE'
+
+error_test_trigger_exception:
+  pattern: '/error-test/trigger-exception'
+  defaults:
+    _content: '\Drupal\error_test\Controllers\ErrorTestController::triggerException'
+  requirements:
+    _access: 'TRUE'
+
+error_test_trigger_pdo_exception:
+  pattern: '/error-test/trigger-pdo-exception'
+  defaults:
+    _content: '\Drupal\error_test\Controllers\ErrorTestController::triggerPDOException'
+  requirements:
+    _access: 'TRUE'
diff --git a/core/modules/system/tests/modules/error_test/lib/Drupal/error_test/Controllers/ErrorTestController.php b/core/modules/system/tests/modules/error_test/lib/Drupal/error_test/Controllers/ErrorTestController.php
new file mode 100644
index 0000000..9b7a91e
--- /dev/null
+++ b/core/modules/system/tests/modules/error_test/lib/Drupal/error_test/Controllers/ErrorTestController.php
@@ -0,0 +1,68 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\error_test\Controllers\ErrorTestController.
+ */
+
+namespace Drupal\error_test\Controllers;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+use Drupal\Core\Controller\ControllerInterface;
+use Drupal\Core\Database\Connection;
+
+/**
+ * Controller routines for error_test routes.
+ */
+class ErrorTestController implements ControllerInterface {
+
+  protected $database;
+
+   /*
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static($container->get('database'));
+  }
+
+  /**
+   * Constructs a UpdateTestController object.
+   *
+   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   *   The factory for configuration objects.
+   */
+  public function __construct(Connection $database) {
+    $this->database = $database;
+  }
+  /**
+   * Generate warnings to test the error handler.
+   */
+  public function generateWarnings($collect_errors = FALSE) {
+    // Tell Drupal error reporter to send errors to Simpletest or not.
+    define('SIMPLETEST_COLLECT_ERRORS', $collect_errors);
+    // This will generate a notice.
+    $monkey_love = $bananas;
+    // This will generate a warning.
+    $awesomely_big = 1/0;
+    // This will generate a user error.
+    trigger_error("Drupal is awesome", E_USER_WARNING);
+    return "";
+  }
+
+  /**
+   * Trigger an exception to test the exception handler.
+   */
+  public function triggerException() {
+    define('SIMPLETEST_COLLECT_ERRORS', FALSE);
+    throw new \Exception("Drupal is awesome");
+  }
+
+  /**
+   * Trigger an exception to test the PDO exception handler.
+   */
+  public function triggerPDOException() {
+    define('SIMPLETEST_COLLECT_ERRORS', FALSE);
+    $this->database->query('SELECT * FROM bananas_are_awesome');
+  }
+
+}