Issue #3316895 by tedbow: Create a test to prove our fake-site is error free starting point

<?php

namespace Drupal\Tests\package_manager\Kernel;

/**

 * Test that the 'fake-site' fixture is a valid starting point.

 *

 * @group package_manager

 */

class FakeSiteFixtureTest extends PackageManagerKernelTestBase {

  /**

   * Tests the complete stage life cycle using the 'fake-site' fixture.

   */

  public function testLifeCycle(): void {

    $this->assertStatusCheckResults([]);

    $this->assertResults([]);

    // Ensure there are no validation errors after the stage lifecycle has been

    // completed.

    $this->assertStatusCheckResults([]);

  }

}