ad7091r.py not working

[Nic30]

Traceback (most recent call last):
File "/polyphony/tests/apps/ad7091r.py", line 91, in
test(spic)
File "/polyphony/polyphony/init.py", line 57, in _testbench_decorator
func(module_instance)
File "/polyphony/polyphony/init.py", line 297, in wrapper
return func(*args, **kwargs)
File "/polyphony/tests/apps/ad7091r.py", line 86, in test
assert spic.dout() == data & 0x0fff
AssertionError

dout value is 3419