Cherry-pick to 7.9: fix: use a fixed worker type for tests (#20130)#20247

Merged

kuisathaverat merged 1 commit intoelastic:7.9from kuisathaverat:backport/7.9/pr-20130

Jul 28, 2020

+24-24

Commits on Jul 27, 2020

fix: use a fixed worker type for tests (elastic#20130 )
kuisathaverat
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