(CAT-2121) Update tests to account for `pdk validate` changes #831

Job	Run time
spec (ruby 2.7) / spec	58s
spec (ruby 3.2) / spec	53s
acceptance (ruby 3.2 \| windows-2019) / acceptance	8m 18s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	12m 53s
acceptance (ruby 2.7 \| windows-2019) / acceptance	29m 49s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	13m 7s
	1h 5m 58s

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