public void GetPeriod_ShouldCall_Create_From_Repository()
{
mock.Setup(repository => repository.GetPeriod(It.IsAny <DateTimeOffset>(), It.IsAny <DateTimeOffset>())).Returns(new List <NetworkMetric>());
var result = controller.GetPeriod(DateTimeOffset.Now, DateTimeOffset.Now);
mock.Verify(repository => repository.GetPeriod(It.IsAny <DateTimeOffset>(), It.IsAny <DateTimeOffset>()));
}