[7.x] [junit] make sure that report paths are unique (#81255)#81389

Merged

spalger merged 1 commit intoelastic:7.xfrom spalger:backport/7.x/pr-81255

Oct 21, 2020

+23-14

Commits on Oct 21, 2020

[junit] make sure that report paths are unique (elastic#81255 )

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