message: Add description why the no kits are not executed on appveyor.
diff: @@ -782,6 +782,9 @@ suite('Compilation info', () => {
  });
  suite('CMake System tests', () => {
  + // This test will be skip when a Visual Studio installation marker (Env.HasVs=true) is present.
  + // At the moment it is not possible to hide an installation against the test. In that case
  + // it is not possible to test a no present kit, because VS will provid always kits.
  (process.env.HasVs == 'true' ? suite.skip : suite)('No present kit',() => {
  let path_backup = '';
  suiteSetup(()=>{
  