maks-rafalko/filter-first-unit-test.php

## filter-first-unit-test.php
<?php

public function test_it_filters_adults()
{
    $filter = new UserFilterAge();
    $users = [
        ['age' => 20],
        ['age' => 15],
    ];

    $this->assertCount(1, $filter($users));
}
	<?php

	public function test_it_filters_adults()
	{
	$filter = new UserFilterAge();
	$users = [
	['age' => 20],
	['age' => 15],
	];

	$this->assertCount(1, $filter($users));
	}