Slave Rift

<?phpnamespace App\Tests;use App\Game\Run;use PHPUnit\Framework\TestCase;final class PrimaryProgressionTest extends TestCase{    public function testPrimaryWeaponStagesFollowLevelMilestones(): void    {        self::assertSame(0, Run::primaryStageForLevel(1));        self::assertSame(1, Run::primaryStageForLevel(4));        self::assertSame(2, Run::primaryStageForLevel(8));        self::assertSame(3, Run::primaryStageForLevel(12));        self::assertSame(4, Run::primaryStageForLevel(16));        self::assertSame(5, Run::primaryStageForLevel(20));        self::assertSame(6, Run::primaryStageForLevel(24));        self::assertSame(6, Run::primaryStageForLevel(99));    }}