@Test 
public void testGetUniqueNonEmptyTrimmedStrings (){

  final String TO_SPLIT = ",foo, bar,baz,,blah,blah,bar,";
  Collection<String> col = StringUtils.getTrimmedStringCollection(TO_SPLIT);
  assertEquals(4, col.size());
  assertTrue(col.containsAll(Arrays.asList(new String[]{"foo","bar","baz","blah"})));
}