diff --git a/core/modules/dblog/src/Tests/Rest/DbLogResourceTest.php b/core/modules/dblog/src/Tests/Rest/DbLogResourceTest.php
deleted file mode 100644
index 44dbe99dd1eab7789ac5a39228f43e4e0a217775..0000000000000000000000000000000000000000
--- a/core/modules/dblog/src/Tests/Rest/DbLogResourceTest.php
+++ /dev/null
@@ -1,65 +0,0 @@
-<?php
-
-namespace Drupal\dblog\Tests\Rest;
-
-use Drupal\Component\Serialization\Json;
-use Drupal\Core\Url;
-use Drupal\rest\Tests\RESTTestBase;
-
-/**
- * Tests the watchdog database log resource.
- *
- * @group dblog
- */
-class DbLogResourceTest extends RESTTestBase {
-
-  /**
-   * Modules to enable.
-   *
-   * @var array
-   */
-  public static $modules = ['hal', 'dblog'];
-
-  protected function setUp() {
-    parent::setUp();
-    // Enable REST API for the watchdog resource.
-    $this->enableService('dblog');
-  }
-
-  /**
-   * Writes a log messages and retrieves it via the REST API.
-   */
-  public function testWatchdog() {
-    // Write a log message to the DB.
-    $this->container->get('logger.channel.rest')->notice('Test message');
-    // Get the ID of the written message.
-    $id = db_query_range("SELECT wid FROM {watchdog} WHERE type = :type ORDER BY wid DESC", 0, 1, [':type' => 'rest'])
-      ->fetchField();
-
-    // Create a user account that has the required permissions to read
-    // the watchdog resource via the REST API.
-    $account = $this->drupalCreateUser(['restful get dblog']);
-    $this->drupalLogin($account);
-
-    $response = $this->httpRequest(Url::fromRoute('rest.dblog.GET.' . $this->defaultFormat, ['id' => $id, '_format' => $this->defaultFormat]), 'GET');
-    $this->assertResponse(200);
-    $this->assertHeader('content-type', $this->defaultMimeType);
-    $log = Json::decode($response);
-    $this->assertEqual($log['wid'], $id, 'Log ID is correct.');
-    $this->assertEqual($log['type'], 'rest', 'Type of log message is correct.');
-    $this->assertEqual($log['message'], 'Test message', 'Log message text is correct.');
-
-    // Request an unknown log entry.
-    $response = $this->httpRequest(Url::fromRoute('rest.dblog.GET.' . $this->defaultFormat, ['id' => 9999, '_format' => $this->defaultFormat]), 'GET');
-    $this->assertResponse(404);
-    $decoded = Json::decode($response);
-    $this->assertEqual($decoded['message'], 'Log entry with ID 9999 was not found', 'Response message is correct.');
-
-    // Make a bad request (a true malformed request would never be a route match).
-    $response = $this->httpRequest(Url::fromRoute('rest.dblog.GET.' . $this->defaultFormat, ['id' => 0, '_format' => $this->defaultFormat]), 'GET');
-    $this->assertResponse(400);
-    $decoded = Json::decode($response);
-    $this->assertEqual($decoded['message'], 'No log entry ID was provided', 'Response message is correct.');
-  }
-
-}
diff --git a/core/modules/dblog/tests/src/Functional/DbLogResourceTest.php b/core/modules/dblog/tests/src/Functional/DbLogResourceTest.php
new file mode 100644
index 0000000000000000000000000000000000000000..db05b4387df27fe283238596391e274ac9590460
--- /dev/null
+++ b/core/modules/dblog/tests/src/Functional/DbLogResourceTest.php
@@ -0,0 +1,127 @@
+<?php
+
+namespace Drupal\Tests\dblog\Functional;
+
+use Drupal\Component\Serialization\Json;
+use Drupal\Core\Url;
+use Drupal\Tests\rest\Functional\CookieResourceTestTrait;
+use Drupal\Tests\rest\Functional\ResourceTestBase;
+
+/**
+ * Tests the watchdog database log resource.
+ *
+ * @group dblog
+ */
+class DbLogResourceTest extends ResourceTestBase {
+
+  use CookieResourceTestTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'hal_json';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'application/hal+json';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'cookie';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $resourceConfigId = 'dblog';
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['hal', 'dblog'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+
+    $auth = isset(static::$auth) ? [static::$auth] : [];
+    $this->provisionResource([static::$format], $auth);
+  }
+
+  /**
+   * Writes a log messages and retrieves it via the REST API.
+   */
+  public function testWatchdog() {
+    // Write a log message to the DB.
+    $this->container->get('logger.channel.rest')->notice('Test message');
+    // Get the ID of the written message.
+    $id = db_query_range("SELECT wid FROM {watchdog} WHERE type = :type ORDER BY wid DESC", 0, 1, [':type' => 'rest'])
+      ->fetchField();
+
+    $this->initAuthentication();
+    $url = Url::fromRoute('rest.dblog.GET.' . static::$format, ['id' => $id, '_format' => static::$format]);
+    $request_options = $this->getAuthenticationRequestOptions('GET');
+
+    $response = $this->request('GET', $url, $request_options);
+    $this->assertResourceErrorResponse(403, "The 'restful get dblog' permission is required.", $response);
+
+    // Create a user account that has the required permissions to read
+    // the watchdog resource via the REST API.
+    $this->setUpAuthorization('GET');
+
+    $response = $this->request('GET', $url, $request_options);
+    $this->assertResourceResponse(200, FALSE, $response, ['config:rest.resource.dblog', 'config:rest.settings', 'http_response'], ['user.permissions'], FALSE, 'MISS');
+    $log = Json::decode((string) $response->getBody());
+    $this->assertEqual($log['wid'], $id, 'Log ID is correct.');
+    $this->assertEqual($log['type'], 'rest', 'Type of log message is correct.');
+    $this->assertEqual($log['message'], 'Test message', 'Log message text is correct.');
+
+    // Request an unknown log entry.
+    $url->setRouteParameter('id', 9999);
+    $response = $this->request('GET', $url, $request_options);
+    $this->assertResourceErrorResponse(404, 'Log entry with ID 9999 was not found', $response);
+
+    // Make a bad request (a true malformed request would never be a route match).
+    $url->setRouteParameter('id', 0);
+    $response = $this->request('GET', $url, $request_options);
+    $this->assertResourceErrorResponse(400, 'No log entry ID was provided', $response);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUpAuthorization($method) {
+    switch ($method) {
+      case 'GET':
+        $this->grantPermissionsToTestedRole(['restful get dblog']);
+        break;
+
+      default:
+        throw new \UnexpectedValueException();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function assertNormalizationEdgeCases($method, Url $url, array $request_options) {}
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getExpectedUnauthorizedAccessMessage($method) {}
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getExpectedBcUnauthorizedAccessMessage($method) {}
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getExpectedUnauthorizedAccessCacheability() {}
+
+}