public function setUp()
{
$this->expectedFields = ['base_fieldset', 'template_code', 'template_subject', 'orig_template_variables', 'variables', 'template_variables', 'insert_variable', 'template_text', 'template_styles'];
$this->objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
$this->template = $this->objectManager->get('Magento\\Email\\Model\\Template')->setId(1)->setTemplateType(\Magento\Framework\App\TemplateTypesInterface::TYPE_HTML);
$this->registry = $this->objectManager->get('Magento\\Framework\\Registry');
if ($this->registry->registry('current_email_template') == null) {
$this->registry->register('current_email_template', $this->template);
}
$this->block = $this->objectManager->create('Magento\\Email\\Block\\Adminhtml\\Template\\Edit\\Form');
$this->prepareFormMethod = new \ReflectionMethod('Magento\\Email\\Block\\Adminhtml\\Template\\Edit\\Form', '_prepareForm');
$this->prepareFormMethod->setAccessible(true);
}