tests: add test for align_layout() #1874

Job	Run time
Build wheels on Linux (aarch64/manylinux)	4m 0s
Build wheels on Linux (x86_64)	4m 2s
Build wheels on macOS (x86_64)	7m 9s
Build wheels on macOS (arm64)	6m 48s
Build wheels for WebAssembly	7m 15s
Build sdist and test extra dependencies	3m 5s
Build wheels on Linux (aarch64/musllinux)	7m 33s
Build wheels on Windows (Win32)	14m 7s
Build with sanitizers for debugging purposes	3m 12s
Build wheels on Windows (ARM64)	15m 24s
Build wheels on Windows (x64)	27m 7s
	1h 39m 42s

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