Add test for block_training
Add test for block_training

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