public void pipeline_Fi_20() throws IOException {
final String methodName = FiTestUtil.getMethodName();
FiTestUtil.LOG.info("Running " + methodName + " ...");
final DataTransferTest t = (DataTransferTest) DataTransferTestUtil
.initTest();
initSlowDatanodeTest(t, new SleepAction(methodName, 0, MAX_SLEEP));
writeSeveralPackets(methodName);
}