Issue #3380433 by Spokje, quietone: [random test failure] CronRunTest::testAutomatedCron

use Drupal\Tests\BrowserTestBase;

use Drupal\Tests\Traits\Core\CronRunTrait;

use Drupal\Tests\WaitTerminateTestTrait;

/**

 * Tests cron runs.

class CronRunTest extends BrowserTestBase {

  use CronRunTrait;

  use WaitTerminateTestTrait;

  /**

   * Modules to enable.

   * need the exact time when cron is triggered.

   */

  public function testAutomatedCron() {

    // Test with a logged in user; anonymous users likely don't cause Drupal to

    // To prevent race conditions between the admin_user login triggering cron

    // and updating its state, and this test doing the same thing, we use

    // \Drupal\Tests\WaitTerminateTestTrait::setWaitForTerminate.

    $this->setWaitForTerminate();

    // Test with a logged-in user; anonymous users likely don't cause Drupal to

    // fully bootstrap, because of the internal page cache or an external

    // reverse proxy. Reuse this user for disabling cron later in the test.

    $admin_user = $this->drupalCreateUser(['administer site configuration']);