TST (string dtype): resolve xfails in common IO tests #20404

Job	Run time
Pyodide build	25m 25s
Linux-32-bit	19m 6s
Linux-Musl	16m 56s
python-freethreading	22m 49s
python-dev (macOS-13)	27m 12s
python-dev (macOS-14)	12m 49s
python-dev (windows-latest)	23m 51s
python-dev (ubuntu-22.04)	20m 19s
macos-13 actions-310.yaml	31m 52s
macos-13 actions-311.yaml	45m 34s
macos-13 actions-312.yaml	48m 44s
macos-14 actions-310.yaml	20m 24s
macos-14 actions-312.yaml	20m 59s
macos-14 actions-311.yaml	21m 3s
windows-latest actions-311.yaml	33m 15s
windows-latest actions-312.yaml	47m 55s
windows-latest actions-310.yaml	33m 10s
ubuntu-latest actions-310.yaml	44m 38s
Minimum Versions	23m 7s
ubuntu-latest actions-311.yaml	40m 42s
Future infer strings (without pyarrow)	38m 20s
Locale: zh_CN	24m 2s
Locale: it_IT	23m 33s
Downstream Compat	5m 37s
Pyarrow Nightly	19m 10s
Numpy Dev	16m 19s
ubuntu-latest actions-312.yaml	45m 45s
Future infer strings	47m 39s
Pypy	1m 17s
	13h 21m 32s

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