def test_invalid_checksum(self):
invalid_checksum_address = "cccqpa4urhgv3xx7kzlc2tnvs2r9q9ytpz9qgqqqqqq"
with pytest.raises(ValueError) as e:
PlatformAddress.from_string(invalid_checksum_address)
assert "checksum" in str(e.value)
def test_testnet(self):
address = PlatformAddress.from_string(testnet_address)
assert address.account_id == account_id