void TestPriority(Issue expected, Issue not, string expectedPriority)
        {
            IssueFilter filter = new IssueFilter();

            filter.Project.Add(SandboxProject);
            filter.Priority.Add(expectedPriority);

            ResetInstance();
            expected = Instance.Get.IssueByID(expected.ID);
            not      = Instance.Get.IssueByID(not.ID);

            ICollection <Issue> results = SandboxProject.GetIssues(filter);

            Assert.IsTrue(FindRelated(expected, results), "Expected to find Issue that matched filter.");
            Assert.IsFalse(FindRelated(not, results), "Expected to NOT find Issue that doesn't match filter.");
            foreach (Issue result in results)
            {
                Assert.AreEqual(expectedPriority, result.Priority.CurrentValue);
            }
        }