Separate io-text and nvtext pytests into different files

[davidwendt]

Description

Cleans up source files for nvtext and io-text pytests. The pytests are placed into separate files: test_io_text.py for the io-text pytests and test_nvtext.py for the nvtext pytests. Also removed the python/cudf/cudf/tests/text folder which contained 2 empty .py files.

Checklist

• I am familiar with the Contributing Guidelines.
• New or existing tests cover these changes.
• The documentation is up to date with these changes.

[bdice]

Can you please edit these exclude paths so that the smart quotes are retained in the new location for these tests? Thanks!

cudf/.pre-commit-config.yaml

Lines 83 to 89 in 19554a1

	- id: fix-smartquotes
	exclude: |
	(?x)^(
	^cpp/include/cudf_test/cxxopts.hpp|
	^python/cudf/cudf/tests/data/subword_tokenizer_data/.*|
	^python/cudf/cudf/tests/test_text.py
	)

[galipremsagar]

@shwina Since you recently worked on pytest organization do you think we should organize these tests into a sub-dir?

[shwina]

Yes, this is a good opportunity to do that.

• the "nvtext" tests should go in cudf/tests/strings/test_string_methods.py
• the "io-text" tests should go in cudf/tests/input_output/test_text.py

[davidwendt]

Moved from python/cudf/cudf/tests/test_text.py

[wence-]

FWIW, the empty test file was a deliberate part of #12288

Not sure if we want to delete it in this change set.

Resolved my main request, want to avoid blocking if others approve.

[wence-]

Thanks @davidwendt

[wence-]

/merge