Add test for partial decompression #393

Job	Run time
Rustfmt & Docs	6s
Minimum Rust compiler	1m 0s
Minimum Rust compiler (windows-2022)	3m 2s
Minimum Rust compiler (macos-latest)	1m 29s
Test (stable)	1m 35s
WebAssembly (wasm32-unknown-unknown)	7s
Minimum Rust compiler (ubuntu-latest)	1m 25s
Test (beta)	1m 38s
WebAssembly (wasm32-wasi)	7s
Test (nightly)	1m 21s
Test (macos)	1m 31s
Test (windows)	3m 44s
Test (mingw)	1m 58s
	19m 3s

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