Problem

public function withRequiredFieldsEmpty($emptyField, $messageCount)
    {
        $userData = $this->loadDataSet('AdminUsers', 'generic_admin_user', 
		array($emptyField => '%noValue%'),
                array('email', 'user_name', 'last_name', 'first_name'));
        //Steps
        $this->adminUserHelper()->createAdminUser($userData);
        //Verifying
        $xpath = $this->_getControlXpath('field', $emptyField);
		$this->addParameter('fieldXpath', $xpath);
		$this->assertMessagePresent('error', 'empty_required_field');
        $this->assertTrue($this->verifyMessagesCount($messageCount), $this->getParsedMessages());
    }

    public function withRequiredFieldsEmptyDataProvider()
    {
        return array(
            array('user_name', 1),
            array('first_name', 1),
            array('last_name', 1),
            array('email', 1),
            array('password', 2),
            array('password_confirmation', 1)
        );
    }