PYTHON-5492 Mark test as flaky #7934

Job	Run time
static	3m 6s
DocTest	1m 0s
Link Check	1m 47s
CPython pypy-3.10-ubuntu-latest	10m 27s
CPython 3.13-ubuntu-latest	8m 54s
Docs Checks	42s
CPython 3.13t-ubuntu-latest	9m 15s
CPython 3.9-ubuntu-latest	9m 9s
Typing Tests (3.9)	1m 11s
Typing Tests (3.11)	1m 15s
Test using minimum dependencies and supported Python	40s
Test async's minimum dependencies and Python	49s
Make an sdist	12s
Install from SDist and Test	56s
	49m 23s

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