Assert course equality in bulk, so that all differences are displayed
Add test of import around duplicate url names [LMS-11345]
Verify using mixed that auto-publish actually updates child pointers
Fix auto-publish test to work with old-mongo
Make split_draft correctly autopublish both parent and child during create_child
Make split_mongo assert block identity uniqueness only over (block_type, block_id) tuples [LMS-11364]
Merge pull request #5131 from cpennington/split/prod-import-export-tests

Split-mongo block uniqueness constraint [LMS-11364]