@Test
 public void testStopwords() {
   TermPipelineAccessor tpa = new BaseTermPipelineAccessor(Stopwords.class.getName());
   assertNull(tpa.pipelineTerm("i"));
   assertNull(tpa.pipelineTerm("the"));
 }
 @Test
 public void testStemming() {
   TermPipelineAccessor tpa = new BaseTermPipelineAccessor(TRv2PorterStemmer.class.getName());
   assertEquals("archaeolog", tpa.pipelineTerm("archaeology"));
   assertEquals("meet", tpa.pipelineTerm("meeting"));
 }