[3.12] gh-111495: Add PyFile tests (#129449) (#129477) by vstinner · Pull Request #129501 · python/cpython

gh-111495: Add PyFile tests (#129449)

Add tests for the following functions in test_capi.test_file:

• PyFile_FromFd()
• PyFile_GetLine()
• PyFile_NewStdPrinter()
• PyFile_WriteObject()
• PyFile_WriteString()
• PyObject_AsFileDescriptor()

Remove test_embed.StdPrinterTests which became redundant.

(cherry picked from commit 4ca9fc0) (cherry picked from commit 9a59a51)