test: un-skip passing spectests #2896

Job	Run time
Lint	1m 49s
Build native libraries	18s
Download spectests	6s
Download Beacon Node OAPI	4s
Test	3m 49s
Build project	3m 52s
Run spec-tests (capella, minimal)	7m 31s
Start and stop the node	3m 45s
Run spec-tests (capella, general)	4m 42s
Run spec-tests (capella, mainnet)	6m 49s
Run spec-tests (deneb, minimal)	7m 15s
Run spec-tests (deneb, general)	4m 53s
Run spec-tests (deneb, mainnet)	7m 13s
All spec-tests passed	1s
	52m 7s

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