python39Packages.pbr: enable tests, adopt into openstack team

[SuperSandro2000]

Motivation for this change

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandbox = true set in nix.conf? (See Nix manual)
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• 21.11 Release Notes (or backporting 21.05 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

[superherointj]

nix build .#python3Packages.pbr.passthru.tests.pytest

ERROR: Could not find a version that satisfies the requirement autopage>=0.4.0 (from cliff) (from versions: none)
> ERROR: No matching distribution found for autopage>=0.4.0

After cherry pick of #137557 autopage/cliff, tests worked.

`Ran: 210 tests in 23.7404 sec.

• Passed: 188
• Skipped: 22
• Expected Fail: 0
• Unexpected Success: 0
• Failed: 0
  Sum of execute time for each test: 96.3785 sec.`

[SuperSandro2000]

@ofborg eval
@ofborg build python39Packages.pbr