code: protected static void setVersion(Selenified clazz, ITestContext context, String version) {
          context.setAttribute(clazz.getClass().getName() + "Version", version);
      }
docs: Sets the version of the current test suite being executed.
  
  @param clazz   - the test suite class, used for making threadsafe storage of
  application, allowing suites to have independent applications
  under test, run at the same time
  @param context - the TestNG context associated with the test suite, used for
  storing app url information
  @param version - the version of the test suite