Add test for partial decompression #392

Job	Run time
Rustfmt & Docs	8s
WebAssembly (wasm32-unknown-unknown)	10s
WebAssembly (wasm32-wasi)	11s
Test (stable)	1m 33s
Test (beta)	1m 36s
Test (nightly)	1m 24s
Test (macos)	1m 51s
Test (windows)	3m 30s
Test (mingw)	2m 5s
Minimum Rust compiler	59s
Minimum Rust compiler (windows-2022)	2m 48s
Minimum Rust compiler (macos-latest)	1m 31s
Minimum Rust compiler (ubuntu-latest)	1m 24s
	19m 10s

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