TimestampSchemaTest.php

<?php

namespace Drupal\KernelTests\Core\Datetime;

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests timestamp schema.
 *
 * @group Common
 */
class TimestampSchemaTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'entity_test',
    'field',
    'field_timestamp_test',
    'user',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('entity_test');
  }
  
  /**
   * Tests if the timestamp field schema is validated.
   */
  public function testTimestampSchema() {
    $this->installConfig([
      'field_timestamp_test',
    ]);
    // Make at least an assertion.
    $this->assertTrue(TRUE);
  }

}