code: protected boolean configureSeleniumIfNeeded() {
          setSeleniumDefaultTimeOut();
          try {
              DriverFactory factory = null;
              SeleniumDriverFactoryFactory factoryFactory = getSeleniumDriverFactoryFactory();
              if (factoryFactory != null) {
                  factory = factoryFactory.getDriverFactory();
  
                  if (factory != null) {
                      SeleniumDriverSetup.lockConfig();
                      Environment.getInstance().getSeleniumDriverManager().setFactory(factory);
                  }
              }
  
              return factory != null;
          } catch (Exception e) {
              throw new RuntimeException("Error overriding Selenium config", e);
          }
      }
docs: Determines whether system properties should override Selenium configuration in wiki.
  If so Selenium will be configured according to property values, and locked so that wiki pages
  no longer control Selenium setup.
  @return true if Selenium was configured.