Unable to save new "ActiveRecord" in database through Codeception - unit-testing

Question

I have a simple Unit test in which I'm trying to create a new record in "orders" table . So when the test is run it throws an exception :
[yii\db\IntegrityException] SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'created_by' cannot be null
I guess this is due to the so called "BlamemableBehavior" trying to update the "created_by" column . So I tried to detach it and to manually pass the "created_by" value . Neither of both worked . Can you please help ?
<?php
namespace frontend\tests\unit\models;
// use common\fixtures\UserFixture;
use frontend\components\Payments;
use common\models\order\Order;
class RandomTest extends \Codeception\Test\Unit
{
/**
* #var \frontend\tests\UnitTester
*/
protected $tester;
protected $order;
public function _before(){
//this doesn't work
$this->order = $this->tester->haveRecord(Order::class,
[
'id' => 577,
'payment_type' => 4,
'status' => 1,
'amount' => 1,
'created_by' => 561,
'updated_by' => 561,
]);
}
public function testRandom(){
//this does not work either
/*$model = new Order;
$model->detachBehavior('BlameableBehavior');
$model->payment_type = 4;
$model->status = 1;
$model->amount = 1;
$model->created_by = 561;
$model->updated_by = 561;
$model->save();*/
}
}
The "Order" model :
public function behaviors()
{
$behaviors = parent::behaviors();
$behaviors[] = [
'class' => \common\components\behaviors\modelLog\ActiveRecordHistoryBehavior::className(),
'manager' => '\common\components\behaviors\modelLog\managers\DBManager',
'ignoreFields' => ['updated_at', 'created_at']
];
return $behaviors;
}
/**
* #inheritdoc
*/
public function scenarios()
{
$scenarios = parent::scenarios();
$scenarios['paid'] = [
'status', 'invoice_number', 'paid_date', 'is_used', 'allocation'];
return $scenarios;
}
/**
* #inheritdoc
*/
public function rules()
{
return [
[['status', 'payment_type', 'invoice_reference', 'invoice_number'], 'integer'],
[['payment_type', 'amount', 'vat', 'total_amount', 'credit', 'invoice_reference'], 'required'],
[['amount', 'vat', 'total_amount', 'credit', 'discount'], 'number'],
[['reason'], 'trim'],
[['allocation'], 'string']
];
}