(CAT-2121) Update tests to account for `pdk validate` changes #830

Job	Run time
spec (ruby 2.7) / spec	54s
spec (ruby 3.2) / spec	42s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 37s
acceptance (ruby 3.2 \| windows-2019) / acceptance	8m 8s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	12m 32s
acceptance (ruby 2.7 \| windows-2019) / acceptance	30m 14s
	1h 5m 7s

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