am 047db28d: Merge "Test both recvfrom() and read() in PingTest."

* commit '047db28da2ed1ceb56f47f17509a750058099605':
  Test both recvfrom() and read() in PingTest.
tree: 5629673b1f10f48dd68e75ad2e75c4c789513350
  1. tests/