This patch adds a test skip for two tests that are impacted by the recent sqlalchemy 1.3.16 release. With this release, a patch, changes the default commit behavior of a transaction. With this change we are seeing that the load balancer created in the tree-create test disappears from the transaction context during the test and the pool create call will throw a foreign key error as the load balancer is not in the database. It's not clear if this is purely a sqlalchemy, pysqlite, or sqlite3 bug at this time. Given the requirements are already in freeze for the Ussuri release, we are opting to disable the tests (we know only sqlite is impacted), instead of attempt to blacklist 1.3.16 in requirements. 
Team and repository tags
Octavia is an operator-grade open source scalable load balancer for use in large OpenStack deployments. It delivers load balancing services on amphorae and provides centralized command and control. Octavia is currently the reference backend for Neutron LBaaS. In the near future, Octavia is likely to become the standard OpenStack LBaaS API endpoint.
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