// Access the content add form and test the list of countries.
$this->drupalGet($this->nodeAddUrl);
$this->assertOptions($field_name.'[0][address][country_code]',$availableCountries,'Available countries set in the event subscriber are present in the widget.');
$this->assertOptions($field_name.'[0][address][country_code]',$available_countries,'Available countries set in the event subscriber are present in the widget.');