public void AfterTest()
        {
            _collidingObject = null;
            _projectile      = null;
            _rigidbody       = null;

            _spawner = null;
        }
        public void BeforeTest()
        {
            _spawner = new GameObject().AddComponent <MockSpawnerComponent>();

            _rigidbody = new GameObject().AddComponent <Rigidbody2D>();
            _rigidbody.gameObject.AddComponent <AudioSource>();
            _projectile = _rigidbody.gameObject.AddComponent <TestProjectileSpawnableComponent>();
            _projectile.SetSpawner(_spawner);
            _projectile.SpawnAudioClip     = new AudioClip();
            _projectile.CollisionAudioClip = new AudioClip();

            _collidingObject = new GameObject();

            _projectile.TestAwake();
        }