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>
* fix broken etcd3 module integration test
* rewrite etcd3 test role as role-only integration test
* etcd3 module integration test changes:
- add setup_etcd3 as dependency in meta
- skip python2.6 target as etcd3 won't install
* fix aliases