Add testcases for -n option of FSshell cat
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Key: HDFS-2530
URL: https://issues.apache.org/jira/browse/HDFS-2530
Project: Hadoop HDFS
Issue Type: Test
Components: test
Affects Versions: 0.24.0
Reporter: XieXianshan
Priority: Trivial
Fix For: 0.24.0
Add test cases for HADOOP-7795.
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