def test_removeNoneValues():
# WHEN a dict containing a value which is None
d = {"a":"1", "b":2, "c":None}
# THEN calling removeNoneValues(dict) will remove key-value pair
# where value=None
assert {"a":"1", "b":2} == removeNoneValues(d)
def test_removeNoneValues():
# WHEN a dict *not* containing a value which is None
d = {"a":"1", "b":2, "c":3}
# THEN calling removeNoneValues(dict) will not change dict
assert d == removeNoneValues(d)