Change the LoopDevice class to be a context manager.
All code using LoopDevice was updated to the following
with statement:
with LoopDevice(...) as loop_provider:
loop_provider.some_member()
This is related to Issue #2412
The modifications in this commit allows the unit tests
to run on both, pytest 6.x (nose test layout) and the new
pytest 7.x (xunit test layout). This Fixes#2072 in a
much nicer way. Thanks much to @smarlowucf
This reverts commit 0dc2e803e0.
The pytest interface from version v6 to v7 has received
changes which requires the tests to be adapted to work for
either the old or the new interface. As there are still many
distributions which uses v6 as the standard we decided to
revert back the adaptions done to support v7 and create
a version requirement to v6 in .virtualenv.dev-requirements.txt
This Fixes#2072
The pytest interface setup() method call has changed
in a way that an additional parameter is passed to
the method which leads to a python error at invocation
time if the setup method does not define it.
