certificate_complete_chain: avoid infinite loops, and double roots when root certificate was already part of chain#360

Merged

felixfontein merged 2 commits intoansible-collections:mainfrom felixfontein:fix-endless-loop

Jan 4, 2022

+145-53

Commits on Jan 1, 2022

Avoid infinite loops, and double roots when root certificate was already part of chain.
felixfontein
committed

Commits on Jan 3, 2022

Refactor tests for readability.
felixfontein
committed