namespace Drupal\Tests\Component\Utility;
-use Drupal\Tests\UnitTestCase;
use Drupal\Component\Utility\Variable;
+use PHPUnit\Framework\TestCase;
/**
* Test variable export functionality in Variable component.
*
* @coversDefaultClass \Drupal\Component\Utility\Variable
*/
-class VariableTest extends UnitTestCase {
+class VariableTest extends TestCase {
/**
* Data provider for testExport().