public IEnumerator showGridUITest()
{
SceneManager.LoadScene("Scene", LoadSceneMode.Single);
yield return(new WaitForSeconds(1.0f));
GameObject[] go = SceneManager.GetActiveScene().GetRootGameObjects();
HexMapEditor editor = go[3].transform.Find("Hex Map Editor").GetComponent <HexMapEditor>();
editor.ShowUI(true);
CollectionAssert.DoesNotContain(editor.terrainMaterial.shaderKeywords, "GRID_ON");
foreach (GameObject g in go)
{
GameObject.Destroy(g);
}
SceneManager.UnloadScene("Scene");
}