UnityGame/Library/PackageCache/com.unity.test-framework/UnityEditor.TestRunner/GUI/AssetsDatabaseHelper.cs

using System;

namespace UnityEditor.TestTools.TestRunner.GUI
{
    internal class AssetsDatabaseHelper : IAssetsDatabaseHelper
    {
        public void OpenAssetInItsDefaultExternalEditor(string assetPath, int line)
        {
            var asset = AssetDatabase.LoadMainAssetAtPath(assetPath);
            AssetDatabase.OpenAsset(asset, line);
        }
    }
}