[Ruby 3.2] Add test for no extra escaping in error messages #2334

Job	Run time
RuboCop	48s
specs (ubuntu, 3.3.10)	1m 30s
specs (macos, 4.0.1)	2m 1s
specs (ubuntu, 3.4.8)	1m 43s
specs (ubuntu, 4.0.1)	1m 35s
specs (windows, 3.3.10)	3m 28s
specs (windows, 4.0.1)	4m 33s
specs (macos, 3.4.8)	2m 6s
specs (macos, 3.3.10)	1m 11s
specs (ubuntu, 4.0.1, LC_ALL=C)	1m 33s
specs (ubuntu, 4.0.1, --enable-frozen-string-literal)	1m 29s
specs (windows, 3.4.8)	3m 33s
specs (ubuntu, 4.0.1, --repeat 2)	2m 16s
specs (ubuntu, 4.0.1, --parser=parse.y)	1m 40s
	29m 26s

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