test: add parity test (#1889) #5690

Job	Run time
test ubuntu-latest stable --no-default-features	2m 33s
clippy	1m 25s
check no_std	1m 15s
test ubuntu-latest stable	2m 46s
doctest	3m 3s
test ubuntu-latest stable --all-features	2m 58s
wasm-unknown	2m 38s
test ubuntu-latest nightly --no-default-features	1m 16s
test ubuntu-latest nightly	1m 33s
docs	1m 10s
fmt	15s
test ubuntu-latest nightly --all-features	2m 15s
wasm-wasi	4m 1s
test ubuntu-latest 1.81 --no-default-features	1m 31s
test ubuntu-latest 1.81	1m 36s
feature-checks	8m 46s
test windows-latest stable --no-default-features	6m 33s
test windows-latest stable	5m 51s
test windows-latest stable --all-features	6m 41s
test windows-latest nightly --no-default-features	3m 36s
test windows-latest nightly	3m 3s
test windows-latest nightly --all-features	4m 21s
test windows-latest 1.81 --no-default-features	4m 57s
test windows-latest 1.81	4m 57s
deny / cargo deny check	19s
ci success	1s
	1h 19m 20s

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