Test

Tweak `Error` representation #1879

Job	Run time
iOS Simulator	4m 10s
Linux (x86_64-unknown-linux-musl)	19s
Linux (i686-unknown-linux-musl)	14s
Tier 1 (ubuntu-24.04, nightly)	20s
Tier 1 (ubuntu-24.04, beta)	18s
Tier 1 (ubuntu-24.04, stable)	16s
Tier 1 (ubuntu-24.04, 1.63)	26s
Tier 1 (windows-2022, nightly)	48s
Tier 1 (windows-2022, beta)	40s
Tier 1 (windows-2022, stable)	1m 38s
Tier 1 (windows-2022, 1.63)	1m 3s
Tier 1 (macos-14, stable)	28s
Cross (aarch64-unknown-linux-gnu)	27s
FreeBSD VM	3m 11s
Sanitizer	32s
Cross (powerpc-unknown-linux-gnu)	31s
Windows 7 (on Windows 10)	1m 27s
Windows (stable-x86_64-gnu)	44s
Windows (stable-i686-gnu)	42s
Windows (stable-i686-msvc)	44s
OpenBSD VM	2m 31s
WASI	18s
Web	41s
Web with Atomics	1m 5s
	23m 33s

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