Mirror real installation directory structure for tests #19134
Merged
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As pointed out by @alebcay in #19116, the directory structure we use when running
brew tests
doesn't quite mimic a regular installation. This PR modifies the test structure to more closely match.Specifically, some of the directories that usually live under
HOMEBREW_PREFIX/var/homebrew
were, instead, siblings to the prefix. Now, they go in the correct places. The cellar directory also defaulted to being a prefix sibling, but now goes in the regularHOMEBREW_PREFIX/Cellar
directory.Some directories (like the cache, logs, and temp directories) don't necessarily fall under the prefix, so I've left those as siblings like before.