private WALEdit getWALEdit(String row) {
    WALEdit edit = new WALEdit();
    WALEditInternalHelper.addExtendedCell(edit, new KeyValue(Bytes.toBytes(row), family, qualifier,
      EnvironmentEdgeManager.currentTime(), qualifier));
    return edit;
  }
Tests that if we stop before hitting the end of a stream, we can continue where we left off
using the last position
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestBasicWALEntryStream.java