feat(connectors): add smoke test source for destination regression testing (#982)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: aaronsteers

airbyte/cli/universal_connector/__init__.py

@@ -2,10 +2,12 @@
 """Universal connectors using PyAirbyte as backends."""
 
 from airbyte.cli.universal_connector.destination import DestinationPyAirbyteUniversal
+from airbyte.cli.universal_connector.smoke_test_source import SourceSmokeTest
 from airbyte.cli.universal_connector.source import SourcePyAirbyteUniversal
 
 
 __all__ = [
     "DestinationPyAirbyteUniversal",
     "SourcePyAirbyteUniversal",
+    "SourceSmokeTest",
 ]