plugins/ExamplePlugin/tests/Unit/SimpleTest.php

<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */

namespace Piwik\Plugins\ExamplePlugin\tests\Unit;

/**
 * @group ExamplePlugin
 * @group SimpleTest
 * @group Plugins
 */
class SimpleTest extends \PHPUnit\Framework\TestCase
{
    public function setUp(): void
    {
        // set up here if needed
    }

    public function tearDown(): void
    {
        // tear down here if needed
    }

    /**
     * All your actual test methods should start with the name "test"
     */
    public function testSimpleAddition()
    {
        $this->assertEquals(2, 1 + 1);
    }
}