increasing sleep duration
print failure stack trace in the logs
prevent baseHDFSDir deleting
createDir() calls deleteDirIfExists() before creating
this is problem for parallel test executing
baseHDFSDir -> baseTestHDFSDir
startLimit folder shouldn't be included
Merge pull request #202 from rostafiychuk/retention

startLimit folder shouldn't be included
Merge pull request #187 from rostafiychuk/master

prevent baseHDFSDir deleting
Merge pull request #201 from pisaychuk/master

Example of documented test
use logging instead of System.out.println
Merge pull request #203 from raghavgautam/log

use logging instead of System.out.println
Merge pull request #199 from raghavgautam/testng-improvement

Testng improvement
Rename tests to have Test in file name.
Merge pull request #198 from raghavgautam/rename-tests

Rename tests
'Test' added to class name