public void SetUpFixture()
        {
            string fileName1 = @"C:\Projects\Test\wixlibs\test.wixlib";
            string fileName2 = @"C:\Projects\Test\mainlibs\main.wixlib";

            project = WixBindingTestsHelper.CreateEmptyWixProject();
            project.AddWixLibraries(new string[] { fileName1, fileName2 });

            wixLibraryProjectItemCount = 0;
            foreach (ProjectItem item in project.Items)
            {
                if (item is WixLibraryProjectItem)
                {
                    ++wixLibraryProjectItemCount;
                }
            }
        }