Add test for partial decompression #390

Job	Run time
Minimum Rust compiler	56s
Rustfmt & Docs	13s
Minimum Rust compiler (windows-2022)	3m 11s
Test (stable)	1m 23s
Minimum Rust compiler (macos-latest)	1m 35s
Test (beta)	1m 27s
Minimum Rust compiler (ubuntu-latest)	1m 21s
WebAssembly (wasm32-unknown-unknown)	7s
Test (nightly)	1m 18s
WebAssembly (wasm32-wasi)	6s
Test (macos)	1m 19s
Test (windows)	1m 19s
Test (mingw)	1m 18s
	15m 33s

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