diff --git a/core/tests/Drupal/Tests/Component/Utility/ImageTest.php b/core/tests/Drupal/Tests/Component/Utility/ImageTest.php
index 9c401e3..63f20a6 100644
--- a/core/tests/Drupal/Tests/Component/Utility/ImageTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/ImageTest.php
@@ -11,8 +11,11 @@
 use Drupal\Tests\UnitTestCase;
 
 /**
+ * Tests \Drupal\Component\Utility\Image.
+ *
+ * @group Utility
+ *
  * @coversDefaultClass \Drupal\Component\Utility\Image
- * @group Image
  */
 class ImageTest extends UnitTestCase {
 
@@ -20,6 +23,7 @@ class ImageTest extends UnitTestCase {
    * Tests all control flow branches in image_dimensions_scale().
    *
    * @dataProvider providerTestScaleDimensions
+   * @covers ::scaleDimensions
    */
   public function testScaleDimensions($input, $output) {
     // Process the test dataset.
@@ -39,14 +43,10 @@ public function testScaleDimensions($input, $output) {
    * Provides data for image dimension scale tests.
    *
    * @return array
-   *   Keyed array containing:
-   * - 'input' - Array which contains input for
-   *   Image::scaleDimensions().
-   * - 'output' - Array which contains expected output after passing
-   *   through Image::scaleDimensions. Also contains a boolean
-   *   'return_value' which should match the expected return value.
-   *
-   * @see testScaleDimensions()
+   *   - Array which contains input for Image::scaleDimensions().
+   *   - Array which contains expected output after passing
+   *     through Image::scaleDimensions. Also contains a boolean
+   *     'return_value' which should match the expected return value.
    */
   public function providerTestScaleDimensions() {
     // Define input / output datasets to test different branch conditions.