public void People_OnRefreshPeople_IsPopulated()
        {
            //Arrange
            var reader    = new FakeReader();
            var viewModel = new PeopleViewModel(reader);

            //Act
            viewModel.RefreshPeople();

            //Assert
            Assert.IsNotNull(viewModel.People);
            Assert.AreEqual(2, viewModel.People.Count());
        }
        public void People_OnClearPeople_IsEmplty()
        {
            //Arrange
            var reader    = new FakeReader();
            var viewModel = new PeopleViewModel(reader);

            viewModel.RefreshPeople();
            Assert.AreNotEqual(0, viewModel.People.Count(), "Invalid arrange");

            //Act
            viewModel.ClearPeople();

            //Assert
            Assert.AreEqual(0, viewModel.People.Count());
        }