Add tests for SubscriptionRequest_verifyPaymentTransaction

This command was identical from slapos cache lookup, but the meaning is
different.

Also update to use download-cache-url from config.

/reviewed-on nexedi/slapos.core!189

/reviewed-on nexedi/slapos.core!146

This is what most of tools understand, test_requires is something that
only python setup.py test uses.

In our normal operations, we are not using PYTHONPATH but using buildout
to generate wrappers. We are still using python setup.py test to run
tests, which sets PYTHONPATH to the eggs used by this python and this
cause issues when this python starts subprocesses, especially when it
starts another version of python which is supposed to use a different
set of eggs.

also add missing test for slapos node boot

/reviewed-on nexedi/slapos.core!187

As the query is done by annonymous with proxy role, so it is faster to just skip the usage of security_uids

Make web_site_id and panel_gadget_id, so we can reuse on private and custom websites.

It is more confortable to the user knows that a redirect will occur.

The recursive call makes the tree be rendered as hidden inputs respecting all the values

On python3.6 this raises:

 sqlite3.OperationalError: cannot VACUUM from within a transaction

https://www.python.org/dev/peps/pep-0508 is less verbose.

This reverts commit 03d0be06.

In some cases the debian distribution version string can be returned uppercase.

  vacuum as little as possible, as it is a heavy operation to perform.

  To allow more concurrent access to the sqlite

actually ansible uses /usr/bin/python as defaut interpreter. Use this
temporary workaround until we can set properly the ansible python
interpreter. See https://docs.ansible.com/ansible/latest/reference_appendices/python_3_support.html

In general we should only setGroupReference when the generation matches, as the builder can generate multiples SPLs at once.

/reviewed-on nexedi/slapos.core!183

…t makes no sense to test it

/reviewed-on nexedi/slapos.core!182

Our condition was only checking executables, which missed some non
executable libraries.

Following up on nexedi/slapos.core!172 (comment 96033)

/reviewed-on nexedi/slapos.core!180

@luke , As we discussed. Merging dierctly.

Tests passing in
https://nexedi.erp5.net/test_result_module/20200117-9F5C0733

/reviewed-on nexedi/slapos.core!181