Test: Fix inability to start Crystal subprocess when running tests fr… #702

Job	Run time
build-windows (windows-2019, 3.8)	9m 50s
build-linux (ubuntu-22.04, 3.8)	4m 22s
build-windows (windows-2019, 3.9)	8m 56s
build-macos (macos-latest, 3.8)	10m 14s
build-linux (ubuntu-22.04, 3.9)	4m 18s
build-windows (windows-latest, 3.8)	11m 12s
build-macos (macos-latest, 3.9)	6m 48s
build-windows (windows-latest, 3.9)	11m 7s
	1h 6m 47s

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