public async void Unhealthy()
{
var builder = DefaultBuilder()
.WithChecks(
new FuncCheck(
() => CheckResult.Unhealthy("unhealthy", "i don't feel so good", "fix me", "bad karma")));
var res = await GetHealth(builder);
Assert.Equal(HttpStatusCode.OK, res.StatusCode);
var resp = await Deserialize <HealthResponse>(res);
Assert.Equal(DTO.Health.Unhealthy, resp.Health);
}