refactor: update tests with old entities definition

[michalsn]

Description
This PR fixes the old entities definition.

Closes#10022

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value (without duplication)
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide

[neznaika0]

See tests/_support/Models/UserModel.php

class UserModel extends Model
{
protected$table = 'user';
protected$allowedFields = [
'name',
'email',
'country',
'deleted_at',
];
protected$returnType = 'object';
protected$useSoftDeletes = true;
protected$dateFormat = 'datetime';
public$name = '';
public$email = '';
public$country = '';
}

public properties?

[michalsn]

public properties?

Let's see what will happen when we clear this.

[neznaika0]

@michalsn I've been running locally already

[michalsn]

Thank you for the reviews!