desc: 831 -- Empty batched_replaces_t constructed
tests:
  - py: r.db('test').table_create('831')
  - py: r.db('test').table('831').insert([True, True])
    ot: ({'first_error':'Expected type OBJECT but found BOOL.', 'skipped':0, 'deleted':0, 'unchanged':0, 'errors':2, 'replaced':0, 'inserted':0})
  - py: r.db('test').table_drop('831')
    ot: ({'dropped':1})
