public function testSendNewAccountEmailWithoutStoreId()
 {
     $store = $this->getMock('Magento\\Store\\Model\\Store', [], [], '', false);
     $website = $this->getMock('Magento\\Store\\Model\\Website', [], [], '', false);
     $website->expects($this->once())->method('getStoreIds')->will($this->returnValue([1, 2, 3, 4]));
     $this->_storeManager->expects($this->once())->method('getWebsite')->with(1)->will($this->returnValue($website));
     $this->_storeManager->expects($this->once())->method('getStore')->with(1)->will($this->returnValue($store));
     $this->_config->expects($this->exactly(3))->method('getAttribute')->will($this->returnValue($this->_attribute));
     $this->_attribute->expects($this->exactly(3))->method('getIsVisible')->will($this->returnValue(true));
     $methods = ['setTemplateIdentifier', 'setTemplateOptions', 'setTemplateVars', 'setFrom', 'addTo'];
     foreach ($methods as $method) {
         $this->_transportBuilderMock->expects($this->once())->method($method)->will($this->returnSelf());
     }
     $transportMock = $this->getMock('Magento\\Framework\\Mail\\TransportInterface', [], [], '', false);
     $transportMock->expects($this->once())->method('sendMessage')->will($this->returnSelf());
     $this->_transportBuilderMock->expects($this->once())->method('getTransport')->will($this->returnValue($transportMock));
     $this->_model->setData(['website_id' => 1, 'store_id' => 1, 'email' => '*****@*****.**', 'firstname' => 'FirstName', 'lastname' => 'LastName', 'middlename' => 'MiddleName', 'prefix' => 'Prefix']);
     $this->_model->sendNewAccountEmail('registered');
 }