def test_hgt_in_in_must_be_between_59_and_76():
assert is_valid_hgt({"hgt": "58in"}) is False
assert is_valid_hgt({"hgt": "60in"}) is True
assert is_valid_hgt({"hgt": "77in"}) is False
def test_hgt_in_cm_must_be_between_150_and_193():
assert is_valid_hgt({"hgt": "149cm"}) is False
assert is_valid_hgt({"hgt": "180cm"}) is True
assert is_valid_hgt({"hgt": "194cm"}) is False
def test_hgt_must_have_height_and_units():
assert is_valid_hgt({"hgt": "180"}) is False
assert is_valid_hgt({"hgt": "cm"}) is False
assert is_valid_hgt({"hgt": "180cm"}) is True
def test_hgt_must_be_in_cm_or_in():
assert is_valid_hgt({"hgt": "6ft"}) is False
assert is_valid_hgt({"hgt": "180cm"}) is True
assert is_valid_hgt({"hgt": "60in"}) is True
def test_hgt_is_required():
assert is_valid_hgt({}) is False
assert is_valid_hgt({"hgt": "180cm"}) is True