Add missing docs/test to the Risc0 adapter #3425

Job	Run time
test	9m 25s
check	8m 7s
check-demo-rollup-table-of-contents	14s
cargo-doc-artifact	4m 0s
check-licenses	1m 11s
coverage	12m 40s
nextest	8m 54s
validate-packages-to-publish-yml	38s
deploy-github-pages	0s
features	31m 35s
check-demo-rollup-bash-commands	16m 36s
	1h 33m 20s

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