Add test for predicateType
Add test for predicateType

pombredanne/dedupe,datamade/dedupe,tfmorris/dedupe,nmiranda/dedupe,davidkunio/dedupe,neozhangthe1/dedupe,01-/dedupe,datamade/dedupe,davidkunio/dedupe,dedupeio/dedupe,01-/dedupe,nmiranda/dedupe,dedupeio/dedupe,dedupeio/dedupe-examples,pombredanne/dedupe,tfmorris/dedupe,neozhangthe1/dedupe