Is directory name `test` treated in a special manner?
If I have a directory named mypackage, it is recognized as a package without me having to do anything (not even mark it as a source directory or create a __init__.py file):
If however I simply change the directory's name to test, it is no longer recognized as a package (import does not work). Why is that? Is the name test treated differently? That does not seem to be documented anywhere that I could see.
(Adding a __init__.py file does get the example to work, but that still does not explain the different behavior based on the name.)

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Hello there,
Could you please check where Jump to definition leads (CTRL/ Command + Click) if you click on test in
from test.testing_util import foo?Ah, there is a built-in Python package
testI was not aware of that's being picked up before my own definition oftest. And, of course, the built-in package does not contain atesting_utilmodule, so this generates the error.Thanks for helping!