cssd-back/app/TestType.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class TestType extends Model
{
    use SoftDeletes;

    public $fillable = ['name', 'unique_code', 'user_id', 'bar_code', 'device_label'];
    // protected $softDelete = true;

    public function user()
    {
        return $this->belongsTo('App\User');
    }
    public function test_results()
    {
        return $this->hasMany('App\TestResult');
    }
    public function inputs()
    {
        return $this->hasMany('App\Input');
    }
}