TST (string dtype): resolve xfails for frame methods #21556

Job	Run time
Pyodide build	23m 53s
Linux-32-bit	19m 0s
Linux-Musl	21m 29s
python-freethreading	23m 9s
python-dev (macOS-13)	21m 54s
python-dev (macOS-14)	12m 0s
python-dev (ubuntu-22.04)	20m 7s
python-dev (windows-latest)	23m 15s
macos-13 actions-310.yaml	41m 5s
macos-13 actions-311.yaml	34m 45s
macos-13 actions-312.yaml	40m 8s
macos-14 actions-310.yaml	18m 56s
macos-14 actions-311.yaml	19m 49s
macos-14 actions-312.yaml	20m 38s
windows-latest actions-311.yaml	32m 35s
windows-latest actions-312.yaml	46m 32s
windows-latest actions-310.yaml	32m 25s
Minimum Versions	23m 36s
Locale: zh_CN	23m 29s
Locale: it_IT	23m 17s
Downstream Compat	5m 53s
Future infer strings (without pyarrow)	37m 53s
Numpy Dev	17m 13s
Pyarrow Nightly	21m 17s
Future infer strings	49m 2s
Pypy	1m 21s
ubuntu-22.04 actions-310.yaml	44m 38s
ubuntu-22.04 actions-311.yaml	41m 57s
ubuntu-22.04 actions-312.yaml	45m 1s
ubuntu-24.04-arm actions-311.yaml	32m 44s
ubuntu-24.04-arm actions-312.yaml	36m 56s
ubuntu-24.04-arm actions-310.yaml	33m 13s
	14h 49m 10s

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