diff --git a/core/modules/taxonomy/src/Tests/TaxonomyTestTrait.php b/core/modules/taxonomy/src/Tests/TaxonomyTestTrait.php
index 746be2c..7c4b769 100644
--- a/core/modules/taxonomy/src/Tests/TaxonomyTestTrait.php
+++ b/core/modules/taxonomy/src/Tests/TaxonomyTestTrait.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\taxonomy\Tests\TaxonomyTestTrait.
+ * Contains Drupal\taxonomy\Tests\TaxonomyTestTrait.
  */
 
 namespace Drupal\taxonomy\Tests;
diff --git a/core/modules/taxonomy/src/Tests/TermKernelTest.php b/core/modules/taxonomy/src/Tests/TermKernelTest.php
index 60c61ea..ce7ff37 100644
--- a/core/modules/taxonomy/src/Tests/TermKernelTest.php
+++ b/core/modules/taxonomy/src/Tests/TermKernelTest.php
@@ -2,7 +2,7 @@
 
 /**
  * @file
- * Definition of Drupal\taxonomy\Tests\TermKernelTest.
+ * Contains Drupal\taxonomy\Tests\TermKernelTest.
  */
 
 namespace Drupal\taxonomy\Tests;
@@ -10,6 +10,7 @@
 use Drupal\taxonomy\Entity\Term;
 use Drupal\taxonomy\Tests\TaxonomyTestTrait;
 use Drupal\simpletest\KernelTestBase;
+
 /**
  * Kernel tests for taxonomy term functions.
  *
@@ -33,7 +34,11 @@ protected function setUp() {
     $this->installEntitySchema('taxonomy_term');
   }
 
-  function testTermDelete() {
+  /**
+   * Deleting terms should also remove related vocabulary.
+   * Deleting an invalid term should silently fail.
+   */
+  public function testTermDelete() {
     $vocabulary = $this->createVocabulary();
     $valid_term = $this->createTerm($vocabulary);
     // Delete a valid term.
@@ -48,7 +53,7 @@ function testTermDelete() {
   /**
    * Deleting a parent of a term with multiple parents does not delete the term.
    */
-  function testMultipleParentDelete() {
+  public function testMultipleParentDelete() {
     $vocabulary = $this->createVocabulary();
     $parent_term1 = $this->createTerm($vocabulary);
     $parent_term2 = $this->createTerm($vocabulary);
@@ -72,7 +77,7 @@ function testMultipleParentDelete() {
   /**
    * Test a taxonomy with terms that have multiple parents of different depths.
    */
-  function testTaxonomyVocabularyTree() {
+  public function testTaxonomyVocabularyTree() {
     // Create a new vocabulary with 6 terms.
     $vocabulary = $this->createVocabulary();
     $term = array();