throw new NullPointerException();
}
@Test
public void TestMapDriver() throws IOException {
mapDriver = MapDriver.newMapDriver(new MyMap());
mapDriver.withInput(new LongWritable(0), new Text("this has 4 words"))
.withInput(new LongWritable(0), new Text("name1-first named output"))
.withInput(new LongWritable(0), new Text("name1- still first named output"))
.withInput(new LongWritable(0), new Text("name2- second"))
.withOutput(new Text("this"), new IntWritable(1))