Update to Drupal 8.0.6. For more information, see https://www.drupal.org/drupal-8.0.6-release-notes

core/modules/migrate_drupal/tests/fixtures/drupal6.php

@@ -30531,6 +30531,21 @@ $connection->insert('profile_fields')
   'autocomplete' => '1',
   'options' => '',
 ))
+->values(array(
+  'fid' => '13',
+  'title' => 'Blog',
+  'name' => 'profile_blog',
+  'explanation' => 'Paste the full URL, including http://, of your personal blog.',
+  'category' => 'Personal information',
+  'page' => '',
+  'type' => 'url',
+  'weight' => '3',
+  'required' => '0',
+  'register' => '0',
+  'visibility' => '3',
+  'autocomplete' => '0',
+  'options' => '',
+))
 ->values(array(
   'fid' => '14',
   'title' => 'Birthdate',
@@ -30561,21 +30576,6 @@ $connection->insert('profile_fields')
   'autocomplete' => '0',
   'options' => '',
 ))
-->values(array(
-  'fid' => '16',
-  'title' => 'Blog',
-  'name' => 'profile_blog',
-  'explanation' => 'Paste the full URL, including http://, of your personal blog.',
-  'category' => 'Personal information',
-  'page' => '',
-  'type' => 'url',
-  'weight' => '3',
-  'required' => '0',
-  'register' => '0',
-  'visibility' => '3',
-  'autocomplete' => '0',
-  'options' => '',
-))
 ->execute();
 
 $connection->schema()->createTable('profile_values', array(
@@ -34072,7 +34072,7 @@ $connection->insert('vocabulary')
   'help' => '',
   'relations' => '1',
   'hierarchy' => '2',
-  'multiple' => '0',
+  'multiple' => '1',
   'required' => '0',
   'tags' => '0',
   'module' => 'taxonomy',

core/modules/migrate_drupal/tests/src/Unit/source/d6/i18nVariableTest.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\migrate_drupal\Unit\source\d6\i18nVariableTest.
+ */
+
+namespace Drupal\Tests\migrate_drupal\Unit\source\d6;
+
+use Drupal\Tests\migrate\Unit\MigrateSqlSourceTestCase;
+
+/**
+ * Tests the variable source plugin.
+ *
+ * @group migrate_drupal
+ */
+class i18nVariableTest extends MigrateSqlSourceTestCase {
+
+  // The plugin system is not working during unit testing so the source plugin
+  // class needs to be manually specified.
+  const PLUGIN_CLASS = 'Drupal\migrate_drupal\Plugin\migrate\source\d6\i18nVariable';
+
+  /**
+   * Define bare minimum migration configuration.
+   */
+  protected $migrationConfiguration = [
+    'id' => 'test',
+    'highWaterProperty' => array('field' => 'test'),
+    'source' => [
+      'plugin' => 'i18n_variable',
+      'variables' => [
+        'site_slogan',
+        'site_name',
+      ],
+    ],
+  ];
+
+  /**
+   * Expected results from the source.
+   */
+  protected $expectedResults = [
+    [
+      'language' => 'fr',
+      'site_slogan' => 'Migrate est génial',
+      'site_name' => 'nom de site',
+    ],
+    [
+      'language' => 'mi',
+      'site_slogan' => 'Ko whakamataku heke',
+      'site_name' => 'ingoa_pae',
+    ]
+  ];
+
+  /**
+   * Database contents for tests.
+   */
+  protected $databaseContents = [
+    'i18n_variable' => [
+      array('name' => 'site_slogan', 'language' => 'fr', 'value' => 's:19:"Migrate est génial";'),
+      array('name' => 'site_name', 'language' => 'fr', 'value' => 's:11:"nom de site";'),
+      array('name' => 'site_slogan', 'language' => 'mi', 'value' => 's:19:"Ko whakamataku heke";'),
+      array('name' => 'site_name', 'language' => 'mi', 'value' => 's:9:"ingoa_pae";'),
+    ],
+  ];
+
+}