Merge bitcoin/bitcoin#32845: rpc, test: Fix JSON parsing errors in un… #2431

Job	Run time
test each commit	0s
Linux->Windows cross, no tests	0s
matrix.job-name	0s
matrix.job-name	0s
ASan + LSan + UBSan + integer, no depends, USDT	0s
Windows, test cross-built	0s
	0s

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