public async Task GetAsync_WhenCalled_ReturnsOkResult(
            [Frozen] List <Service> services)
        {
            // Arrange
            _service.Setup(m => m.GetAllServicesAsync()).ReturnsAsync(services);

            // Act
            var okResult = await _controller.GetAsync();

            // Assert
            Assert.IsType <OkObjectResult>(okResult.Result);
        }