PHPUnit 4 Annotations

Code
<?php

use PHPUnit\Framework\TestCase;

class Annotation1Test extends TestCase
{
    private static $prop;
    
    /**
     * @before
     */
    public function beforeTests() : void
    {
        self::$prop += 2;
    }
    
    /**
     * @after
     */
    public function afterTests() : void
    {
        // teardown after every test
        self::$prop--;
    }
    
    /**
     * @afterClass
     */
    public static function cleanUpTestClass() : void
    {
        self::$prop = null;
    }
    
    /**
     * @beforeClass
     */
    public static function setUpTestClass() : void
    {
        self::$prop = 4;
    }
    
    public function testIsAwesome() : void
    {
        $this->assertEquals(6, self::$prop);
    }
    
    public function testIsAlsoAwesome() : void
    {
        $this->assertEquals(7, self::$prop);
    }
     
    public function testLastButNotLeast() : void
    {
        $this->assertEquals(8, self::$prop);    
    }   
}
Result
Time: 00:00.004, Memory: 18.00 MB

OK (3 tests, 0 assertions)
Used Versions
PHP 8.3, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8