KeyValue accept = new KeyValue(row, fam2, qual, 10, val);
code = filter.filterKeyValue(accept);
assertEquals("Didn't pass matching family", ReturnCode.INCLUDE, code);
kv = new KeyValue(row, fam3, qual, 10, val);
code = filter.filterKeyValue(kv);
assertEquals("Didn't filter out non-matching family!", ReturnCode.SKIP, code);
// we shouldn't match the family again - everything after a switched family should be ignored
code = filter.filterKeyValue(accept);
assertEquals("Should have skipped a 'matching' family if it arrives out of order",