CREATE TABLE [dbo].[tbl_identitydocument](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [Name] [varchar](100) NOT NULL,
    [FISID] [int] NULL,
 CONSTRAINT [PK_tbl_identitydocument] PRIMARY KEY CLUSTERED 
(
    [ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

<?php
namespace tests\codeception\backend;

use tests\codeception\backend\unit\DbTestCase;
use backend\modules\persons\models\IdentityDocument;

class SmokeTest extends DbTestCase
{
    /**
     * @var IdentityDocument
     */
    protected $identityDocument;

    protected function _before()
    {
        $this->identityDocument = new IdentityDocument();
    }

    protected function _after() { }

    // tests
    public function testMe() { }
} 

<?php

namespace backend\modules\persons\models;

use Yii;

/**
 * This is the model class for table "{{%identitydocument}}".
 *
 * @property integer $ID
 * @property string $Name
 * @property integer $FISID
 */
class IdentityDocument extends \yii\db\ActiveRecord
{
    /**
     * @inheritdoc
     */
    public static function tableName()
    {
        return '{{%identitydocument}}';
    }

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['Name'], 'required'],
            [['Name'], 'string'],
            [['FISID'], 'integer']
        ];
    }

    /**
     * @inheritdoc
     */
    public function attributeLabels()
    {
        return [
            'ID' => Module::t('ML', 'ID'),
            'Name' => Module::t('ML', 'Name'),
            'FISID' => Module::t('ML', 'FISID'),
        ];
    }
}