Add unit tests to passes #2000

Job	Run time
cargo check (aarch64-android)	21s
cargo check (msrv) (wasm32)	23s
cargo clippy (windows-latest)	3m 43s
cargo check (msrv) (windows-latest)	1m 57s
cargo check (msrv) (macos-latest)	31s
cargo clippy (macos-latest)	1m 33s
cargo clippy (wasm32)	1m 21s
cargo check (msrv) (ubuntu-latest)	38s
cargo doc	1m 27s
cargo clippy (ubuntu-latest)	2m 10s
formatting	34s
Prime LFS Cache	6s
cargo test (wasm32)	25s
typos	6s
cargo test (windows-latest)	3m 9s
cargo test (macos-latest)	1m 37s
cargo test (ubuntu-latest)	4m 30s
	24m 31s

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