public void ProjectionService_GetProjectionByIdAsync_IncorrectId_ReturnNull()
        {
            //Arrange
            Projection projection = null;

            ProjectionService projectionsService = new ProjectionService(_mockProjectionsRepository.Object, _mockReservationService.Object);

            _mockProjectionsRepository.Setup(x => x.GetByIdAsync(It.IsAny <Guid>())).Returns(Task.FromResult(projection));
            _mockProjectionsRepository.Setup(x => x.Save());

            //Act

            var resultAction = projectionsService.GetProjectionByIdAsync(_projection.Id).ConfigureAwait(false).GetAwaiter().GetResult();

            //Assert

            Assert.IsNull(resultAction);
            Assert.IsNotInstanceOfType(resultAction, typeof(ProjectionDomainModel));
        }