Fix classpath to hadoop test jar used for unit testing
Fix classpath to hadoop test jar used for unit testing

alabid/blinkdb,mapr/shark,sameeragarwal/blinkdb_dev,sameeragarwal/blinkdb_dev,sameeragarwal/blinkdb_dev,sameeragarwal/blinkdb,sameeragarwal/blinkdb,vax11780/shark,alabid/blinkdb,vax11780/shark,sjyk/sampleclean,alabid/blinkdb,mapr/shark,mattyb149/blinkdb,vax11780/shark,mattyb149/blinkdb,lzshlzsh/shark,lzshlzsh/shark,mapr/shark,amplab/shark,amplab/shark,sjyk/sampleclean,mattyb149/blinkdb,sjyk/sampleclean,sameeragarwal/blinkdb,amplab/shark,lzshlzsh/shark