pyScss v1.3.7 doesn't require any bindep to be installed so it's prefer
to use it instead of adding bindep to all projects manually.
Depends-On: https://review.opendev.org/715240
Change-Id: I336a3449c1ed8be3984da6366e9b45f8e4d3f5c0
pyScss and django-pyscss packages are not maintained for a long time. We
can't use the pyScss with teh setuptools>=46.0.0, so I forked these
project and switch horizon to use them.
Change-Id: I38a1c2c3455a10b4852d25f6c39b3c21f5c450fc
Depends-On: https://review.opendev.org/712976
This patch leave selenuim-headless non-voting since it was broken for a
while so we should be sure that it's stable enough.
Related blueprint: improve-horizon-testing
Change-Id: Ic2a877a4eefc2f10fb25e64c387b81fc18302a2a