public function testIsEmailAvailableNonExistentEmail()
{
$this->assertTrue($this->_customerAccountService->isEmailAvailable('*****@*****.**', 1));
}
/**
* Check if customer email exists
*
* @param string $email
* @param int $websiteId
* @return false|\Magento\Customer\Model\Customer
*/
protected function _customerEmailExists($email, $websiteId = null)
{
return !$this->_customerAccountService->isEmailAvailable($email, $websiteId);
}