public void GetAllContactsTest_Inactive()
        {
            // Arrange
            ValuesController controller = new ValuesController();

            // Act
            var result = controller.GetAllInactiveContacts();

            // Assert
            Assert.IsNotNull(result);
            Assert.AreEqual(1, result.Count());
            Assert.IsInstanceOfType(result, typeof(List<Contact>));
        }