[3.13] gh-123942: add missing test for docstring-handling code in ast… #127344

Job	Run time
Change detection / Compute changed files	10s
Check if the ABI has changed	1m 19s
Check if generated files are up to date	2m 13s
Docs	0s
Address sanitizer	8m 14s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.0.15)	1m 59s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.1.7)	2m 12s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.2.3)	1m 58s
Hypothesis tests on Ubuntu	6m 12s
Windows MSI${{ '' }}	0s
Ubuntu SSL tests with OpenSSL (ubuntu-22.04, 3.3.2)	2m 20s
CIFuzz	0s
WASI / build and test	10m 38s
Thread sanitizer / Thread sanitizer	3m 30s
Thread sanitizer (free-threading) / Thread sanitizer	6m 3s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	7m 23s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 36s
macOS / build and test (macos-13)	9m 42s
Windows / build (arm64)	3m 8s
Windows (free-threading) / build (arm64)	3m 17s
Windows / build and test (Win32)	16m 18s
Windows (free-threading) / build and test (Win32)	23m 12s
Windows / build and test (x64)	14m 50s
Windows (free-threading) / build and test (x64)	20m 34s
Ubuntu / build and test (ubuntu-22.04)	7m 35s
Ubuntu (free-threading) / build and test (ubuntu-22.04)	9m 39s
All required checks pass	4s
	2h 47m 6s

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