Testing a Trivial Exception Scenario in PHPUnit

Divider.php

<?php 

namespace RWC\Math;

class Divider
{
    public function divide(float $divided, float $divisor) : float
    {
		
        if($divisor == 0)
        {
            throw new \InvalidArgumentException("Divide by zero.");
        }
        
        return $divided / $divisor;
    }
}

DividerTest.php

<?php

namespace Tests\RWC\Divider;


require_once( '../vendor/autoload.php');
require_once('../Divider.php');

use PHPUnit\Framework\TestCase;

class DividerTest extends TestCase
{
	/**
	 * @expectedException \InvalidArgumentException
	 */
	public function testDivideByZeroException()
	{
		$divider = new \RWC\Divider();
		
		$divider->divide(5, 0);
	}
}