filesystem: remove test setup for Ubuntu <16.04 (#12281)
* filesystem: remove test setup for Ubuntu <16.04
* more Ubuntu 16.04 refs
* and more old Ubuntu refs in tests
* and yet more truisms in tests conditionals
(cherry picked from commit b2a8fbe9c7)
Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>
CI: Replace apt_repository and apt_key with deb822_repository (#11625)
Replace apt_repository and apt_key with deb822_repository.
(cherry picked from commit bc22fbcaa0)
Co-authored-by: Felix Fontein <felix@fontein.de>
Integration tests: replace ansible_xxx with ansible_facts.xxx (#11479)
Replace ansible_xxx with ansible_facts.xxx.
(cherry picked from commit 476f2bf641)
Co-authored-by: Felix Fontein <felix@fontein.de>
