public void AddFrameworkReference_SystemXmlToBeAdded_ReferenceAddedToProject()
        {
            CreateTestProject();
            CreateProjectSystem(project);

            projectSystem.AddFrameworkReference("System.Xml");

            ReferenceProjectItem referenceItem = ProjectHelper.GetReference(project, "System.Xml");

            ReferenceProjectItem expectedReferenceItem = new ReferenceProjectItem(project);

            expectedReferenceItem.Include = "System.Xml";

            ReferenceProjectItemAssert.AreEqual(expectedReferenceItem, referenceItem);
        }