Default unit test script for Unity.

UnitTest.cs

using UnityEngine;
using UnityEditor;
using NUnit.Framework;
 
public class NewEditorTest {
 
    [Test]
    public void EditorTest()
    {
        //Arrange
        var gameObject = new GameObject();
 
        //Act
        //Try to rename the GameObject
        var newGameObjectName = "My game object";
        gameObject.name = newGameObjectName;
 
        //Assert
        //The object has a new name
        Assert.AreEqual(newGameObjectName, gameObject.name);
    }
}