Run fork choice spec tests #2545
Description
Description
We should add a test runner for the upstream fork choice tests: https://github.com/ethereum/consensus-specs/tree/dev/tests/formats/fork_choice
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We should add a test runner for the upstream fork choice tests: https://github.com/ethereum/consensus-specs/tree/dev/tests/formats/fork_choice