Use the expected name for the overlay file

Instead of using a non-standard name and have the user specify
the overlay by hand, make it so that 'tox -e func' can pick it
up by virtue of using a specific name.
This commit is contained in:
Luciano Lo Giudice 2021-09-15 14:31:58 -03:00
parent e202a4f507
commit 18f98fa9ab