namespace Drupal\Tests\Component\Utility;
use Drupal\Component\Utility\Number;
-use Drupal\Tests\UnitTestCase;
+use PHPUnit\Framework\TestCase;
/**
* Tests number manipulation utilities.
*
* @see \Drupal\Component\Utility\Number
*/
-class NumberTest extends UnitTestCase {
+class NumberTest extends TestCase {
/**
* Tests Number::validStep() without offset.