test: add text compliance tests (#36)
test: add text compliance tests (#36)

* test: add text compliance tests

* test: enable skipped test

* test: nit

Co-authored-by: larkee <6f970ba813435ec2b0170598d7911c4ceb92fe4a@users.noreply.github.com>
googleapis/python-spanner-sqlalchemy,googleapis/python-spanner-sqlalchemy