core/modules/filter/src/Tests/FilterAPITest.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/core/modules/filter/src/Tests/FilterAPITest.php b/core/modules/filter/src/Tests/FilterAPITest.php
index 786bfc0..fc755ec 100644
--- a/core/modules/filter/src/Tests/FilterAPITest.php
+++ b/core/modules/filter/src/Tests/FilterAPITest.php
@@ -390,21 +390,28 @@ public function assertFilterFormatViolation(ConstraintViolationListInterface $vi
   /**
    * Tests that dependency removal works.
    *
-   * Uninstalling a module that provides a filter should not remove a filter
+   * Uninstalling a module that provides a filter should not remove a text
    * format that uses the filter.
    */
   public function testDependencyRemoval() {
     $this->installSchema('user', array('users_data'));
     $filter_format = \Drupal\filter\Entity\FilterFormat::load('filtered_html');
+
+    // Enable the filter_test_restrict_tags_and_attributes filter.
     $filter_config = [
       'weight' => 10,
       'status' => 1,
     ];
     $filter_format->setFilterConfig('filter_test_restrict_tags_and_attributes', $filter_config)->save();
+
+    // Verify that a dependency exists on the module that provides the filter.
     $this->assertEqual(['module' => ['filter_test']], $filter_format->getDependencies());
-    \Drupal::moduleHandler()->uninstall(array('filter_test'));
 
+    // Uninstall the module.
+    \Drupal::moduleHandler()->uninstall(array('filter_test'));
     \Drupal::entityManager()->getStorage('filter_format')->resetCache();
+
+    // Verify the text format still exists but the dependency and filter is gone.
     $filter_format = \Drupal\filter\Entity\FilterFormat::load('filtered_html');
     $this->assertEqual([], $filter_format->getDependencies());
   }