code: private static String generateTempServerName() {
          String serverName = TEMP_SERVER_NAME;
  
          while (InstallUtils.serverExists(serverName)) {
  
              int randomNumber = random.nextInt();
  
              while (randomNumber == Integer.MIN_VALUE) {
                  randomNumber = random.nextInt();
              }
  
              serverName = TEMP_SERVER_NAME + "_" + Integer.toString(Math.abs(randomNumber));
          }
  
          return serverName;
      }
docs: Generates a server name that does not already exist in the Liberty's servers
  directory.
  
  @return the name for the temporary server