[8.19] test: mock real I/O in unit tests to stop fail-slow flakes (#4455) - #4468

[8.19] test: mock real I/O in unit tests to stop fail-slow flakes (#4455)#4468

Jan-Kazlouski-elastic merged 2 commits into

8.19elastic/connectors:8.19from

backport/8.19/pr-4455elastic/connectors:backport/8.19/pr-4455Copy head branch name to clipboard