[3.12] gh-108303: Move tokenize-related data to Lib/test/tokenizedata (GH-109265) (#109677)

* gh-108303: Move tokenize-related data to Lib/test/tokenizedata (GH-109265)

(cherry picked from commit 1110c5bc828218086f6397ec05a9312fb73ea30a)

* gh-108303: Add `Lib/test/tokenizedata` to `TESTSUBDIRS` (#109314)

(cherry picked from commit 42ab2cbd7b5e76e919b70883ae683e789dbd913d)

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Co-authored-by: Nikita Sobolev <mail@sobolevn.me>