def test_frequency_common():
## GIVEN a variant with a common gnomad frequency
var = {"gnomad_frequency": 0.5}
## WHEN converting frequencies to string
freq_str = frequency(var)
## THEN assert that the variant is common
assert freq_str == "common"
def test_frequency_rare():
## GIVEN a variant which is uncommon gnomad frequency
var = {"gnomad_frequency": 0.001}
## WHEN converting frequencies to string
freq_str = frequency(var)
## THEN assert that the variant is common
assert freq_str == "rare"