[libbeat] Add more disk queue unit tests and fix a size-check bug#22107

Merged

faec merged 13 commits intoelastic:masterfrom faec:disk-queue

Oct 22, 2020

+594-58

Commits on Oct 2, 2020

Commits on Oct 16, 2020

Merge branch 'master' of github.com:elastic/beats into disk-queue
faec
committed
Add more unit tests for the disk queue; fix a potential reader deadlock
faec
committed

Commits on Oct 22, 2020