public void PreviousVersionMustBeFromSameOrganisation_NoPrevious_Succeeds()
        {
            var validator = new SolutionsValidator(_context.Object, _logger.Object, _solutionDatastore.Object, _organisationDatastore.Object, _env.Object);
            var soln      = Creator.GetSolution();

            validator.PreviousVersionMustBeFromSameOrganisation();
            var valres = validator.Validate(soln);

            valres.Errors.Should().BeEmpty();
        }
        public void PreviousVersionMustBeFromSameOrganisation_Different_ReturnsError()
        {
            var validator = new SolutionsValidator(_context.Object, _logger.Object, _solutionDatastore.Object, _organisationDatastore.Object, _env.Object);
            var soln      = Creator.GetSolution(previousId: Guid.NewGuid().ToString());

            _solutionDatastore.Setup(x => x.ById(soln.PreviousId)).Returns(Creator.GetSolution());

            validator.PreviousVersionMustBeFromSameOrganisation();
            var valres = validator.Validate(soln);

            valres.Errors.Should()
            .ContainSingle(x => x.ErrorMessage == "Previous version must be from same organisation")
            .And
            .HaveCount(1);
        }