DRIVERS-3106 : Add support for auto encryption in unified test format. This is a prerequisite to migrating CSFLE/QE legacy tests to the unified test format. Summary of necessary driver changes Sync spec tests Implement unified test format version 1.23 Support autoEncryptOpts Drop QE state collections ( _enxcol.<coll>.esc and _enxcol.<coll>.ecoc ) Commits for syncing spec/prose tests Initial commit: https://github.com/mongodb/specifications/commit/52a076b7e7c0fa74abbab6e28ae5e36a1de1d1cb Follow-up fix to regenerate JSON file: https://github.com/mongodb/specifications/commit/89e91523b58e9de06d45da9329d3d2595307557c Follow-up to restore legacy JSON tests: https://github.com/mongodb/specifications/commit/a039bb4485b56c30bcda6d318b83f07ad741fb95 . (So drivers using a git submodule for spec tests can update without losing coverage) Follow-up fix to matching and drop state collections: https://github.com/mongodb/specifications/commit/1c1500ada5e4d03c7f95e0a7a93fc0f77e5c0f76