Cherry-pick #18797 to 7.7: Fix panic on `metricbeat test modules`#18853

Merged

jsoriano merged 3 commits intoelastic:7.7from jsoriano:backport_18797_7.7

Jun 4, 2020

+117-1

Commits on May 29, 2020

Fix panic on metricbeat test modules (elastic#18797 )
jsoriano
committed

Commits on Jun 2, 2020

Backport nil pipeline from elastic#16715

jsoriano
and
Steffen Siering
committed

Commits on Jun 3, 2020

Merge remote-tracking branch 'origin/7.7' into backport_18797_7.7
jsoriano
committed