code: function getAdPodAdUnits(codes) {
    return auctionManager.getAdUnits()
      .filter((adUnit) => deepAccess(adUnit, 'mediaTypes.video.context') === ADPOD)
      .filter((adUnit) => (codes.length > 0) ? codes.indexOf(adUnit.code) != -1 : true);
  }
docs: This function returns the adunit of mediaType adpod
  @param {Array} codes adUnitCodes
  @returns {Array[Object]} adunits of mediaType adpod