test: add Mac Xcode locator coverage #1444

Job	Run time
Tests in Containers (ci-jupyter-container, ubuntu-latest, mcr.microsoft.com/devcontainers/univers...	4m 36s
Tests in Containers (ci-homebrew-container, ubuntu-latest, homebrew/brew, x86_64-unknown-linux-musl)	3m 56s
Tests (macos-latest, x86_64-apple-darwin, yes)	14m 46s
Builds (macos-14, aarch64-apple-darwin, yes)	2m 6s
Builds (windows-latest, aarch64-pc-windows-msvc)	5m 32s
Builds (windows-latest, x86_64-pc-windows-msvc)	4m 50s
Tests (ubuntu-latest, x86_64-unknown-linux-musl, yes)	9m 38s
Tests (macos-14, aarch64-apple-darwin, yes)	12m 6s
Tests (windows-latest, x86_64-pc-windows-msvc, yes)	8m 49s
Builds (macos-latest, x86_64-apple-darwin, yes)	2m 55s
Builds (ubuntu-latest, x86_64-unknown-linux-musl, yes)	2m 13s
Env Tests (ci-poetry-custom, windows-latest, x86_64-pc-windows-msvc)	5m 44s
Env Tests (ci-poetry-global, ubuntu-latest, x86_64-unknown-linux-musl)	2m 53s
Env Tests (ci-poetry-custom, ubuntu-latest, x86_64-unknown-linux-musl)	2m 57s
Env Tests (ci-poetry-project, ubuntu-latest, x86_64-unknown-linux-musl)	2m 51s
Env Tests (ci-poetry-project, windows-latest, x86_64-pc-windows-msvc)	6m 35s
Env Tests (ci-poetry-global, windows-latest, x86_64-pc-windows-msvc)	6m 54s
	1h 39m 21s

Provide feedback