This class tests if hadoopStreaming returns Exception 
 * on failure when submitted an invalid/failed job
 * The test case provides an invalid input file for map/reduce job as
 * a unit test case
This class tests if hadoopStreaming returns Exception 
 * on failure when submitted an invalid/failed job
 * The test case provides an invalid input file for map/reduce job as
 * a unit test case | TestStreamingFailure.java