public function testAssignData()
{
$details['payable_to'] = 'payable';
$details['mailing_address'] = '*****@*****.**';
$this->_object->setStore(1);
$this->_scopeConfig->expects($this->any())->method('getValue')->willReturnMap([['payment/checkmo/payable_to', 'store', 1, 'payable'], ['payment/checkmo/mailing_address', 'store', 1, '*****@*****.**']]);
$instance = $this->getMock('Magento\\Payment\\Model\\Info', ['setAdditionalData'], [], '', false);
$instance->expects($this->once())->method('setAdditionalData')->with(serialize($details));
$this->_object->setData('info_instance', $instance);
$this->_object->assignData('');
}
