Address outstanding edge cases in example

[ysimonson]

The example project fails a few conformance tests for reasons that are unclear. These tests have been temporarily ignored to get CI up and running quickly, but at some point it'd be good to look into these failures:

s2/examples/sql/test/ignore.conf

Lines 210 to 216 in 5e460c0

	# These tests are failing, but the root cause hasn't been diagnosed yet. For
	# now they're ignored so we can have a working CI pipeline.
	# TODO: fix or ignore these tests
	s3tests_boto3.functional.test_s3.test_versioning_obj_create_read_remove_head
	s3tests_boto3.functional.test_s3.test_versioning_obj_suspend_versions
	s3tests_boto3.functional.test_s3.test_versioning_obj_list_marker
	s3tests_boto3.functional.test_s3.test_versioning_multi_object_delete_with_marker