Microsoft.VsSDK.IntegrationTestLibrary.TestUtils.CloseCurrentSolution C# (CSharp) Method

        public void CloseCurrentSolution(__VSSLNSAVEOPTIONS saveoptions)
        {
            // Get solution service
            IVsSolution solutionService = (IVsSolution)VsIdeTestHostContext.ServiceProvider.GetService(typeof(IVsSolution));

            // Close already open solution
            solutionService.CloseSolutionElement((uint)saveoptions, null, 0);
        }

 public void CreateEmptySolution()
 {
     var testUtils = new TestUtils();
     testUtils.CloseCurrentSolution(
             __VSSLNSAVEOPTIONS.SLNSAVEOPT_NoSave );
     testUtils.CreateEmptySolution( TestContext.TestDir, "EmptySolution" );
 }