(maint) - Update expected error message for test case (RSpec 3.13.0) #434

Job	Run time
spec (ruby 3.2) / spec	1m 24s
spec (ruby 2.7) / spec	58s
acceptance (ruby 3.2 \| ubuntu-latest) / acceptance	12m 56s
acceptance (ruby 2.7 \| windows-2019) / acceptance	28m 37s
acceptance (ruby 3.2 \| windows-2019) / acceptance	34m 50s
acceptance (ruby 2.7 \| ubuntu-latest) / acceptance	13m 42s
	1h 32m 27s

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