public async Task GetIntValue_ReturnsSomeInt()
{
var config = new Mock <IConfigurationManager>();
config.Setup(x => x.GetSetting <int>(It.IsAny <string>(), 0)).Returns(12);
var repo = new LunchRepository(config.Object);
var result = await repo.GetIntValueAsync();
Assert.IsInstanceOfType(result, typeof(int));
Assert.AreEqual(result, 12);
}