Overrides \Drupal\views\Tests\ViewTestBase::schemaDefinition().
Overrides ViewUnitTestBase::schemaDefinition
protected function schemaDefinition() {
$schema = parent::schemaDefinition();
$schema['views_test_data']['fields']['langcode'] = array(
'description' => 'The {language}.langcode of this beatle.',
'type' => 'varchar',
'length' => 12,
'default' => '',
);
return $schema;
}