/**
* @covers \Magento\Braintree\Model\Adminhtml\System\Config\Country::toOptionArray
*/
public function testToOptionArray()
{
$countries = [['value' => 'US', 'label' => 'United States'], ['value' => 'UK', 'label' => 'United Kingdom']];
$this->initCountryCollectionMock($countries);
$header = ['value' => '', 'label' => new Phrase('--Please Select--')];
array_unshift($countries, $header);
$this->assertEquals($countries, $this->model->toOptionArray());
}
