def test_get_freq_roundtrip2(freq):
obj = Resolution.get_reso_from_freqstr(freq)
result = _attrname_to_abbrevs[obj.attrname]
assert freq == result
def test_get_attrname_from_abbrev(freqstr, expected):
assert Resolution.get_reso_from_freqstr(freqstr).attrname == expected