public void SetDescriptionToNullWhenEmpty()
        {
            var issue = new Issue(new Project(new ApplicationUser(), "project"), "name", "description");

            issue.Description.Should().NotBe(null);

            issue.ChangeDescription(null);
            issue.Description.Should().Be(null);

            issue.ChangeDescription("");
            issue.Description.Should().Be(null);

            issue.ChangeDescription(" ");
            issue.Description.Should().Be(null);
        }