diff --git a/core/modules/config/lib/Drupal/config/Tests/ConfigInstallWebTest.php b/core/modules/config/lib/Drupal/config/Tests/ConfigInstallWebTest.php
index df3d103..7116bea 100644
--- a/core/modules/config/lib/Drupal/config/Tests/ConfigInstallWebTest.php
+++ b/core/modules/config/lib/Drupal/config/Tests/ConfigInstallWebTest.php
@@ -111,7 +111,7 @@ function testInstallProfileConfigOverwrite() {
       ),
     );
     // The expected active configuration altered by the install profile.
-    $expected_overriden_data = array(
+    $expected_profile_data = array(
       'threshold' => array(
         'autorun' => 0,
         'requirements_warning' => 259200,
@@ -119,40 +119,34 @@ function testInstallProfileConfigOverwrite() {
       ),
     );
 
-    // Enter an override-free context to ensure the original data remains.
-    $old_state = \Drupal::configFactory()->getOverrideState();
-    \Drupal::configFactory()->setOverrideState(FALSE);
-
     // Verify that the original data matches. We have to read the module config
-    // file directly, otherwise install profile overrides will apply.
+    // file directly, because the install profile default system.cron.yml
+    // configuration file was used to create the active configuration.
     $config_dir = drupal_get_path('module', 'system') . '/config';
     $this->assertTrue(is_dir($config_dir));
     $source_storage = new FileStorage($config_dir);
     $data = $source_storage->read($config_name);
     $this->assertIdentical($data, $expected_original_data);
 
-    // Verify that active configuration matches the expected data, which has
-    // been overriden by the testing install profile.
+    // Verify that active configuration matches the expected data, which was
+    // created from the testing install profile's system.cron.yml file.
     $config = \Drupal::config($config_name);
-    $this->assertIdentical($config->get(), $expected_overriden_data);
+    $this->assertIdentical($config->get(), $expected_profile_data);
 
-    // Turn on the test module, which will also attempt to override the
-    // configuration data, but should be prevented.
+    // Turn on the test module, which will attempt to replace the
+    // configuration data. This attempt to replace the active configuration
+    // should be ignored.
     \Drupal::moduleHandler()->install(array('config_override_test'));
 
     // Verify that the test module has not been able to change the data.
     $config = \Drupal::config($config_name);
-    $this->assertIdentical($config->get(), $expected_overriden_data);
+    $this->assertIdentical($config->get(), $expected_profile_data);
 
     // Disable and uninstall the test module.
     \Drupal::moduleHandler()->uninstall(array('config_override_test'));
 
     // Verify that the data hasn't been altered by removing the test module.
     $config = \Drupal::config($config_name);
-    $this->assertIdentical($config->get(), $expected_overriden_data);
-
-    // Re-enable configuration overrides.
-    \Drupal::configFactory()->setOverrideState($old_state);
+    $this->assertIdentical($config->get(), $expected_profile_data);
   }
-
 }