/**
* @covers \Magento\Framework\View\Design\Theme\Image::getPreviewImageUrl
*/
public function testGetDefaultPreviewImageUrl()
{
$this->_themeMock->setData($this->_getThemeSampleData());
$this->_themeMock->setData('preview_image', null);
$this->assertEquals('http://localhost/media_path/test_default_preview.png', $this->_model->getPreviewImageUrl());
}
