Put together test_against_stored_vk/proof into test_against_stored_ci… #470

Job	Run time
Book tests	1m 49s
Bitrot check	1m 35s
Build target wasm32-unknown-unknown	2m 15s
Build target wasm32-wasi	2m 12s
Intra-doc links	1m 58s
Rustfmt	16s
Test on ubuntu-latest	11m 2s
Test on windows-latest	14m 57s
Test on macOS-latest	8m 11s
Test on i686-unknown-linux-gnu	23m 6s
Test on ubuntu-latest with beta features	11m 4s
Test on i686-unknown-linux-gnu with beta features	22m 26s
Test on windows-latest with beta features	14m 46s
Test on i686-unknown-linux-gnu with nightly features	23m 11s
Test on macOS-latest with beta features	8m 6s
Test on ubuntu-latest with nightly features	11m 28s
Test on windows-latest with nightly features	15m 26s
Test on macOS-latest with nightly features	8m 46s
	3h 2m 34s

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