@Test
  public void testLocalLinkReadDuringRename() throws IOException {
    HBaseTestingUtil testUtil = new HBaseTestingUtil();
    FileSystem fs = testUtil.getTestFileSystem();
    assertEquals("file", fs.getUri().getScheme());
    testLinkReadDuringRename(fs, testUtil.getDataTestDir());
  }
Test, on a local filesystem, that the FileLink is still readable even when the current file
gets renamed.
hbase-server/src/test/java/org/apache/hadoop/hbase/io/TestFileLink.java