Tests

Refactor out datafusion app to its own crate #290

Job	Run time
Extension / Auth-Bearer (amd64)	5m 54s
Crate / Functions-Parquet (amd64)	2m 57s
Core (amd64)	4m 20s
Extension / Auth-Basic (amd64)	5m 46s
Crate / UDFs-WASM (amd64)	5m 16s
Extension / Deltalake (amd64)	4m 12s
Extension / FlightSQL (amd64)	3m 30s
Extension / Functions-JSON (amd64)	3m 38s
Extension / Hudi (amd64)	3m 54s
Extension / S3 (amd64)	4m 51s
Extension / UDFs-WASM (amd64)	4m 17s
	48m 35s

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