Unity Integration Tests Example. (full project: https://github.com/colinbellino/UnityIntegrationTestsExample)

SampleTest.cs

using System.Collections;
using NUnit.Framework;
using UnityEngine;
using UnityEngine.TestTools;
using Zenject;

public class SampleTest : SceneTestFixture
{
    [UnityTest]
    public IEnumerator MovesAroundTheLevel()
    {
        // Inject out "test" level data.
        var levelData = new LevelData
        {
            PlayerPosition = new Vector2Int(8, -1),
            Board = new int[,] {
                { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
                { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1 },
                { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1 },
                { 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1 },
                { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 },
                { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1 },
                { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 },
                { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 },
                { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 },
                { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
            },
        };
        StaticContext.Container.BindInstance(levelData);

        yield return LoadScene("SampleScene");

        // Get the Commander that was injected into the scene.
        var commander = SceneContainer.Resolve<Commander>();

        commander.Execute(new MovePlayer(new Vector2Int(-1, 0)));

        // ... More commands here.

        // Wait one frame so the player actually moved.
        yield return null;

        // Check that the player is were we expect them to be.
        var playerPosition = GameObject.Find("Player").transform.position;
        Assert.AreEqual(playerPosition, new Vector3(7, 0));
    }
}