code: public static void init(String clientHost) {
  
          VaadinSession.getCurrent().setAttribute("client", clientHost);
  
          String baseDir = _getBaseDir();
          VaadinSession.getCurrent().setAttribute(String.class, baseDir);
  
          TestGeneratorExecutor testGeneratorExecutor = new TestGeneratorExecutor();
          VaadinSession.getCurrent().setAttribute(TestGeneratorExecutor.class, testGeneratorExecutor);
  
  
          TestSuite testSuite = new TestSuite(new ArrayList<>());
          VaadinSession.getCurrent().setAttribute(TestSuite.class, testSuite);
  
          CommonAccessUtils.initializeSchemaServices();
      }
docs: Init session variables.
  
  @param clientHost a {@link java.lang.String} object.