Cherry-pick to 7.10: [beats-tester][packaging] store packages in another location (#21903)#22017

Merged

v1v merged 1 commit intoelastic:7.10from v1v:backport/7.10/pr-21903

Oct 20, 2020

+13-1

Commits on Oct 20, 2020

[beats-tester][packaging] store packages in another location (elastic#21903 )
v1v
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