diff -u b/core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageNegotiationSettingsTest.php b/core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageNegotiationSettingsTest.php
--- b/core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageNegotiationSettingsTest.php
+++ b/core/modules/language/tests/src/Kernel/Migrate/d6/MigrateLanguageNegotiationSettingsTest.php
@@ -6,7 +6,7 @@
 use Drupal\Tests\migrate_drupal\Kernel\d6\MigrateDrupal6TestBase;
 
 /**
- * Tests migration of language negotiation variables.
+ * Tests migration of language negotiation variable to language.negotiation.yml.
  *
  * @group migrate_drupal_6
  */
@@ -18,7 +18,7 @@
   public static $modules = ['language'];
 
   /**
-   * Tests migration of language negotiation variables to language.negotiation.yml.
+   * Tests migration of default path prefix language negotiation.
    */
   public function testLanguageNegotiationWithDefaultPathPrefix() {
     $this->executeMigration('d6_language_negotiation_settings');
@@ -29,7 +29,7 @@
   }
 
   /**
-   * Tests migration of language negotiation variables to language.negotiation.yml.
+   * Tests migration of no negotiation language negotiation.
    */
   public function testLanguageNegotiationWithNoNegotiation() {
     $this->sourceDatabase->update('variable')
@@ -45,7 +45,7 @@
   }
 
   /**
-   * Tests migration of language negotiation variables to language.negotiation.yml.
+   * Tests migration of path prefix language negotiation.
    */
   public function testLanguageNegotiationWithPathPrefix() {
 
@@ -62,7 +62,7 @@
   }
 
   /**
-   * Tests migration of language negotiation variables to language.negotiation.yml.
+   * Tests migration of negotiation with domain language negotiation.
    */
   public function testLanguageNegotiationWithDomain() {
     $this->sourceDatabase->update('variable')