public async Task TAddTemp() { await SetHP(CharHP / 2, CharTempHP); IActionResult response = await _controller.AddTemp(1, CharTempHP + 2); var hp = await CheckResponse(response, CharHP / 2, "unmodified", CharTempHP + 2, "increased" ); Assert.IsNotNull(hp.Previous, "there should be previous values"); CheckSnapshot(hp.Previous !, CharHP / 2, "unmodified", CharTempHP, "unmodified" ); }