public async void ReadAllAsync_ReturnsEmptyArray_WhenRepositoryReturnsEmptyArray()
        {
            // Arrange
            var expectedActivations = new List <Activation>();

            ActivationsRepositoryMock
            .Setup(x => x.ReadAllAsync())
            .ReturnsAsync(expectedActivations);

            // Act
            var result = await ActivationsService.ReadAllAsync();

            // Assert
            Assert.Same(expectedActivations, result);
        }
        public async void ReadAllAsync_ReturnsActivations_WhenRepositoryReturnsActivations()
        {
            // Arrange
            var expectedActivations = TestData.Activations.ContractActivations;

            ActivationsRepositoryMock
            .Setup(x => x.ReadAllAsync())
            .ReturnsAsync(expectedActivations);

            // Act
            var result = await ActivationsService.ReadAllAsync();

            // Assert
            Assert.Same(expectedActivations, result);
        }