public void PostPuzzletest()
{
var settingsMoq = new Mock <IOptions <AppSettings> >();
settingsMoq.Setup(x => x.Value).Returns(testSettings);
var controller = new PuzzleController(settingsMoq.Object, testPuzzle);
var result = controller.Post(postRequestCorrect);
ActionResult testResult = (ActionResult)result.Result;
OkObjectResult okObjectResult = Assert.IsType <OkObjectResult>(testResult);
PuzzleResponse response = (PuzzleResponse)okObjectResult.Value;
Assert.True(response.IsCorrect);
}