0.20 append: Replication tests in TestFileAppend4 should not expect immediate 
replication
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                 Key: HDFS-1243
                 URL: https://issues.apache.org/jira/browse/HDFS-1243
             Project: Hadoop HDFS
          Issue Type: Test
          Components: test
    Affects Versions: 0.20-append
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
            Priority: Minor
             Fix For: 0.20-append
         Attachments: hdfs-1243.txt

The replicationTest() cases in TestFileAppend4 currently assume that the file 
has both valid replicas immediately after completing the file. However, the 
datanodes may take some milliseconds to report the replica - we should only 
expect 1 replica (fs.replication.min) immediately after close, and we should 
allow up to a second or so before asserting that we reach replication 2.

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