def test_is_not_hexcolour_length(): assert is_hexcolour('#FFFFF') == False
def test_is_not_hexcolour_hash(): assert is_hexcolour('FFFFFF') == False
def test_is_hexcolour_uppercase(): assert is_hexcolour('#FFFFFF')
def test_is_not_hexcolour_at_all(): assert is_hexcolour('maap') == False
def test_is_hexcolour_lowercase(): assert is_hexcolour('#ffffff')