public function testSaveAction()
{
$userId = 1;
$requestParams = ['password' => 'password', 'password_confirmation' => true, 'interface_locale' => 'US', 'username' => 'Foo', 'firstname' => 'Bar', 'lastname' => 'Dummy', 'email' => '*****@*****.**', \Magento\Backend\Block\System\Account\Edit\Form::IDENTITY_VERIFICATION_PASSWORD_FIELD => 'current_password'];
$testedMessage = 'The account has been saved.';
$this->_authSessionMock->expects($this->any())->method('getUser')->will($this->returnValue($this->_userMock));
$this->_userMock->expects($this->any())->method('load')->will($this->returnSelf());
$this->_validatorMock->expects($this->once())->method('isValid')->with($this->equalTo($requestParams['interface_locale']))->will($this->returnValue(true));
$this->_managerMock->expects($this->any())->method('switchBackendInterfaceLocale');
$this->_objectManagerMock->expects($this->at(0))->method('get')->with($this->equalTo('Magento\\Backend\\Model\\Auth\\Session'))->will($this->returnValue($this->_authSessionMock));
$this->_objectManagerMock->expects($this->at(1))->method('create')->with($this->equalTo('Magento\\User\\Model\\User'))->will($this->returnValue($this->_userMock));
$this->_objectManagerMock->expects($this->at(2))->method('get')->with($this->equalTo('Magento\\Framework\\Locale\\Validator'))->will($this->returnValue($this->_validatorMock));
$this->_objectManagerMock->expects($this->at(3))->method('get')->with($this->equalTo('Magento\\Backend\\Model\\Locale\\Manager'))->will($this->returnValue($this->_managerMock));
$this->_userMock->setUserId($userId);
$this->_userMock->expects($this->once())->method('save');
$this->_userMock->expects($this->once())->method('verifyIdentity')->will($this->returnValue(true));
$this->_userMock->expects($this->once())->method('sendPasswordResetNotificationEmail');
$this->_requestMock->setParams($requestParams);
$this->_messagesMock->expects($this->once())->method('addSuccess')->with($this->equalTo($testedMessage));
$this->_controller->execute();
}