code: String determineWait()
      {
          String wait;
          if ( emulatorWait != null )
          {
              wait = emulatorWait;
          }
          else
          {
              wait = "5000";
          }
          return wait;
      }
docs: Get wait value for emulator from command line option.
  
  @return if available return command line value otherwise return default value (5000).