checkRecords example

    // apply to the fallback test.
    // Create one node in Hungarian and marked as private.     $node = $this->drupalCreateNode([
      'body' => [[]],
      'langcode' => 'hu',
      'private' => [['value' => 1]],
      'status' => 1,
    ]);

    // There should be one entry in node_access, with fallback set to hu.     $this->checkRecords(1, 'hu');

    // Create a translation user.     $admin = $this->drupalCreateUser([
      'bypass node access',
      'administer nodes',
      'translate any entity',
      'administer content translation',
    ]);
    $this->drupalLogin($admin);
    $this->drupalGet('node/' . $node->id() . '/translations');
    $this->assertSession()->statusCodeEquals(200);