* @covers ::wfArrayFilter
* @covers ::wfArrayFilterByKey
*/
-class WfArrayFilterTest extends \PHPUnit_Framework_TestCase {
+class WfArrayFilterTest extends \PHPUnit\Framework\TestCase {
public function testWfArrayFilter() {
$arr = [ 'a' => 1, 'b' => 2, 'c' => 3 ];
$filtered = wfArrayFilter( $arr, function ( $val, $key ) {